Addition And Subtraction With Significant Digits
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1Addition and Subtraction with Significant Digits
Name__________________________
Section____________________________
RULE: When adding or subtracting your answer can only show as many decimal places as the
measurement having the fewest number of decimal places.
Perform the following calculations and round according to the rule above.
1) 4.60 + 3 =
2) 0.008 + 0.05 =
3) 22.4420 + 56.981 =
4) 200 - 87.3 =
5) 67.5 - 0.009 =
6) 71.86 - 13.1 =
Answers 1) 8
2) 0.06
3) 79.423
4) 113
5) 67.5
6) 58.8
1) 4.60 + 3 =
2) 0.008 + 0.05 =
3) 22.4420 + 56.981 =
4) 200 - 87.3 =
5) 67.5 - 0.009 =
6) 71.86 - 13.1 =
Answers 1) 8
2) 0.06
3) 79.423
4) 113
5) 67.5
6) 58.8
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