What is the key difference between the rules for addition and subtraction and the rules for multiplication and division?
o When adding and subtracting values, focus on the value with the fewest significant
figures; when multiplying and dividing, focus on the value with the fewest decimal
places.
When adding and subtracting values, focus on the value with the fewest zeros;
when multiplying and dividing, focus on the value with the fewest nonzero digits.
o When adding and subtracting values, consider the value with the fewest decimal
places; when multiplying and dividing, consider the value with the fewest
significant figures.