Chemistry, 25.07.2019 06:40 murillokiara0kiki

What rules should you follow when adding and subtracting? check all that apply. 1. the exponents in scientific notation should be added or subtracted. 2. the exponents need to be the same so the leading numbers can be added or subtracted. 3. the result has the same number of decimal places as the least precise number. 4. the result has the same number of significant figures as number with the fewest significant figures.

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What rules should you follow when adding and subtracting? check all that apply. 1. the exponents in...