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Please Be sure to explain in full details. Also Show which asnwer is belong to w

ID: 2125444 • Letter: P

Question

Please Be sure to explain in full details.

Also Show which asnwer is belong to which question.

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) error can only have one sig fig so shoud be 0.07

so 82.35 +/- 0.07 C

b) 283 +/- 2 s

c) - 0.037 +/- 0.005 V

d) 7.6E3 +/- 2.6E2 m

e) since 7600 indicates 4 sig figs but there is only 2