What Are Significant Figures? | Physics in Motion

We take you to a woodworking shop where we explain the rules for using significant figures as we work through examples.
For extra resources, teacher toolkits, and more check out our website at www.gpb.org/phy...

[@amiralasady3725]

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[@loklo3102]

Great teaching video

[@ayoayo698]

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[@saurabhgaming6666]

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[@bobh6728]

I have a question. I have two measurements h and r. h is 32 meters r is 0.000017 meters.
I’m using the formula h/(h+r). What is the correct answer using the correct number of sig fig? The denominator would become 32.0 using one more sig fig. So the answer is 32/32.0 or 1.0
BUT if I rewrite the equation as 1/(1+r/h) then I get r/h = 0.000000531
1+ r/h = 1.000000531 since one is exact we have 10 sig fig.
1/1.000000531= 0.9999994690!!!
Where is the error or are both correct?

[@thelifeaccounttowatchyoutu7628]

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