Scientific Notation and Standard Form Explained with Practice Problems | How to Pass Chemistry
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- เผยแพร่เมื่อ 15 ก.ค. 2024
- Scientific notation and standard form are easily explained in this video! Learn how to go from standard form to scientific notation and practice a few problems to guarantee you get the concept.
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Practice problems with step by step answers:
bit.ly/2HP5Gv2
TIMESTAMPS
0:33 Standard Form vs. Scientific Notation
0:49 Scientific Notation Setup
1:22 Converting small numbers to scientific notation
2:29 Converting from scientific notation to standard form
3:10 Converting large numbers to scientific notation
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NEVER STOP MAKING VIDEOS. you literally explained something in a couple of minutes that my chemistry teacher couldn’t teach me in 4 weeks.
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Hi Melissa, I am studying Chemistry because I have to take it in High School LOL. I am currently a Junior. Chemistry is not my favorite subject at all-mostly because it's science and math combine- but your videos are the first ones I go to when I feel stuck. They are EXTREMELY helpful! Can you do a video on electron configurations sometime in the future? Would be very much appreciated:)
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Aww thank you so much Destiny, you're awesome too! 💕
I can’t believe you posted this years ago and I just found it now! You explained all this to me in just a couple of minutes and really helped me understand something my teacher has been teaching me for weeks. Thank you!
Thank you for this video! My professor is very smart & explained it 5 different ways which confused me. Thankful for your time in putting this together 💕
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That was well needed. Thank you so much for breaking that down into simple steps for us to follow.
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You are so welcome!! 💕
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MELISSA! I'm taking chemistry this semester and I'm not so good with math. I hope I pass this course using your helpful videos. If I don't pass then I believe Nursing ain't for me. :(
You can do this lovely! If you're struggling with the math part I recommend reviewing these math concepts.
Order of Operations: th-cam.com/video/saTBf8AO4Ok/w-d-xo.html
Solving Algebraic Equations: th-cam.com/video/l3XzepN03KQ/w-d-xo.html
Rearranging Equations: th-cam.com/video/9d2UC49DDFE/w-d-xo.html
Did you end up passing!
I feel the same way. I feel like if I don’t pass this will name or break me for my RN nursing career plans ☹️
Kayla Parham don’t give up! I’m pre-med and I had to take math more than once. But I passed it and my next hurdle is calc. You just keep working at it.
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I love to recommend your videos to students in my online classes. They are clear, precise, and accessible.
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This was so useful! I'm cramming for my chem quiz and this helped so much
You're welcome, hope your quiz went well.
how was the quiz?
Thank you so much this concept was really a kind of hard for me but after listening this video all my doubts were cleared thanks a lot 😊
Hi Melissa! You are really helping me understand scientific notation. Thank you because I have a hard time in math🤦🏽♀️ Math is really not my subject and we are learning this in the 8th grade so thank u for really breaking it down for me.
You are very welcome! So happy I could help 😊
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Thank you Sara! 😊
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Thank you! Glad you like the videos 🤓
Hey this is the first time watching your video I need chemistry for nursing
Merci de votre aide!
thanks!,
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This helped a lot!
Yay!! Happy to hear
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As a teacher I'm constantly looking for new voices to reinforce key ideas - keep up the good work!
Thank you!
Hi quick question how do you know where you move the decimal
Hi Melissa. To answer your question i'm studying chemistry because it's a very interesting subject. All these chemicals get mixed together and BOOM you get a change in colour...explosion...a gas etc. I'm thinking about taking a (BS) degree in chemistry. The thing is i'm not really sure about it because as you already know i have to be very good at maths and calculations. Maths has always been a problem for me. I have to look over and over again to understand something. I know it will cause a huge problem for me specially when it comes to practical chemistry. I'm not even sure if chemistry is the right major for me. I'm so confused and my mind is all over the place. University is such a big step for me and i don't know what to do. Sorry for the very long comment, but i have no one to talk to about this since i'm homeschooled.
Oh my god thank you for the replay Melissa. I feel so inspired and motivated to continue with what i'm studying. I needed this kind of encouragement. Thank you :).
Hello I’m wondering and thank you so much for this video! Helped a lot!
I have an example question: what if in scientific notation there is only two values after the decimal point. For example;
(1) 673.43
There is only 4 and 3 after the decimal point, I’m confused on where to start with my decimal.
And also:
(2) 0.00790
What if there is a 0 after the whole numbers? I know it’s a negative, meaning a small number but do I just ignore the zero and place my decimal in between 7 and 9?
Omg thxx I have a test
Thank you, miss. Sometimes the text book is way over done. But once you get the gist of it then go and read the examples in the book, it'll make sense.
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ty
This is great! The only critism I have is why you did not use significant figures when you were reporting some examples (3:07)? I wanted to use this as an introduction to scientific notation in a chemistry class but don't want my students to develop bad habits by showing numbers in the mantissa that are not significant. (9.0207 x 10E7)
I love your vids i understand math more :)
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Thank you so much! I relied on calculators so much but you make it so easy to learn without using a Calculator Thanks! Do you have a channel on how to convert metric conversions for volume, length, mass and height?
Yay! So happy to hear, it's an awesome feeling not having to depend on your calculator 🤓
I do have few videos on these types of unit conversions.
Unit Conversions: th-cam.com/video/0W1e-dAnRrE/w-d-xo.html
Converting Units Series:
Video 1: th-cam.com/video/7voNNBbMcxE/w-d-xo.html
Video 2: th-cam.com/video/eKDePGWNAHo/w-d-xo.html
Video 3: th-cam.com/video/t6fYYPrzhOU/w-d-xo.html
Can you do equations with scientific notation with the equation having subtracting an addition or multiplication with addition
I can recommend these videos to help you out!
Adding & Subtracting: th-cam.com/video/PYTp75sryWA/w-d-xo.html
Multiplication & Division: th-cam.com/video/ciFOlirz4Js/w-d-xo.html
Lol
great
6:25, we are not alone!! You forgot the music!!!! Not fair!
For anyone who’s having issues with the exponent’s in the answers, like getting 61,200mg (6.12x10^5 mg), here’s what you’re doing wrong.
What you’re probably doing is typing 10 then your exponent button, then -6 into your calculator. Now, instead of giving you 10^-6, it’s giving you 10x10^-6. That’s why your answer is wrong. You need to type 1.0 (exponent button) -6. That will give you 1.0x10^-6. Many calculators will just let you do (exponent) -6 too.
My awesome students say, "we like your videos, bro".
Hahahah! Let them know I say " Thanks, bro" 😂
Hey Melissa , you said that standard form is the number itself but according to my textbook, standard form and scientific notation are the same thing . Why is it written like that ? Please someone explain . 🙏🥺
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When you learn more on TH-cam than in class.
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what if its 1/500 for scientific nota
She knows are to teach
For the last practice problem why is the answer 3.2 * ten to the negative three when you have to go to the left since the exponent is zero
Never mind same answer
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We are using this video to study chemistry 💔🙂
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This is not clear and the video ends before you can explain further love your videos can you please explain. In other words 12.409 x 10^-6 ONLY ONE Digit has to be in front of the decimal. So this is not correct because there is 2 numbers (12) that is in front of the decimal. How to fix this is BECAUSE it is a negative exponent move the decimal one place to the LEFT. When you count the total numbers that is after the decimal you get 4 digits. So the correct exponent will move from being -6 to a -4 figured it out.