Unit 1 Metric system, significant figures, factor label ...

In 31.00 the zeroes are significant, because the number was . Measured to the hundredth place. Math with Sig Figs. When . multiplying,your answer can only have the same number of . Sig figs as the least significant factor multiplied. 2.46 x 3.8 = 9.348 which becomes 9.3 . 2.46 is 3 SIG figs and 3.8 is only 2 sig figs, so you round the answer to ... ................
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