Problem: A calculator displays a result as 1.365 248 0 × 107 kg. The estimated uncertainty in the result is ±2%. How many digits should be included as significant when the result is written down? (a) zero (b) one (c) two (d) three (e) four

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According to uncertainty,

xactual=x±x

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Problem Details

A calculator displays a result as 1.365 248 0 × 107 kg. The estimated uncertainty in the result is ±2%. How many digits should be included as significant when the result is written down? (a) zero (b) one (c) two (d) three (e) four

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Uncertainty concept. If you need more Uncertainty practice, you can also practice Uncertainty practice problems.

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