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March 4, 2015

March 4, 2015

Posted by **Bryan** on Thursday, January 11, 2007 at 4:12pm.

Perform the following operations and give the answear in standard exponential form with the correct number of significant figures

1) 37.2mL + 18.0mL + 380mL=

2) 0.57cm x 0.86cm x 17.1cm=

add the first. line up the decimals. Now notice that in the last, the zero in the units position is not a significant digit.

adding..435.2 milliliters

but after the tens digit, nothing is significant. So the answer is 440ml, and in standard form 4.4*10

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