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The answer is 315

Step-by-step explanation:

using a calculator, perform the operation 88.2 × 3.5742;

your answer will be 88.2 × 3.5742 = 315.24444

but to three significant figures, 315.24444 = 315

significant figures and the first non zero digits in a set of numbers.

example in 2034, 2 is the first significant figure, in 0.0345, 3 is the first significant figure. the next significant figures are the numbers than follow respectively. Example in 2034, the second significant figure is 0 the third is 3 and so on.