(a) How many significant figures are in the numbers 999.0 and 1000.0? 999.0 1000.0 (b) If the uncertainty in each number is 10, what is the percent uncertainty in each? (Give your answer to 4 significant figures. 999.0 4.0 1000.0 4.0 (c) Which is a more meaningful way to express the accuracy of these two numbers, significant figures or percent uncertainties
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