Please Be sure to explain in details. Michelle and Todd calculated the averages

Question

Please Be sure to explain in details.

Michelle and Todd calculated the averages and standard deviations for several types of measurements. They got into a rote mood and copied all the digits that appeared on their scientific calculator. Please boil these down to the "correct" number of significant figures and state how many significant figures is being reported for each best estimate. 82.34677662 0.072314389 degrees Celsius 282.5723 2.31684 seconds - 0.0373749738 0.005174523 Volts 7648.78349 258.549763 meters (express this answer with and without scientific notation) Explain why the result of rounding off in part (d) is ambiguous unless scientific notation is used.

Explanation / Answer

a)82.34677662 +/- 0.07231439

b)282.5723 +/- 2.3168

c)-0.037374974 +/- 0.005174523

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