Question

question
all of the following are rules for rounding numbers when considering significant figures except:
select the correct answer below:
for addition and subtraction, round the result to the same number of decimal places as the number with the least number of decimal places.
for multiplication and division, round the result to the same number of digits as the number with the most number of significant figures.
round down if the digit to be dropped is less than 5.
round up if the digit to be dropped is more than 5.

Explanation:

For multiplication and division, the rule is to round the result to the same number of significant - figures as the number with the least number of significant figures, not the most. The other statements about rounding for addition/subtraction and general rounding rules when the digit to be dropped is less than 5 or more than 5 are correct.

Answer:

B. For multiplication and division, round the result to the same number of digits as the number with the most number of significant figures.