3 years ago

0.0136 g + 2.70 × 10-4 g - 4.21 × 10-3 g = ?

2 answers:

8 0

The rule that applies in this evaluation is that in addition or subtraction operations, the answer (total/difference) should not be more accurate than the least accurate term. In this case, the number with least sig fig is 2.70 or 4.21. The answer here is 9.66 x10-3.

uysha [10]3 years ago

7 0

The answer is 2 for the first one and its 9.66x10^-3g for the second one.

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