Question

question which of the following is a rule of significant figures in calculations? select the correct answer below: round the result to the same number of digits as the number with the most number of significant figures. round up if the digit to be dropped is less than 5. round down if the digit to be dropped is less than 5. none of the above.

Explanation:

In significant - figures calculations, when rounding, if the digit to be dropped is less than 5, we round down. We round to the same number of significant figures as the least - precise measurement in addition/subtraction and to the same number of significant figures as the number with the fewest significant figures in multiplication/division. Also, we round up if the digit to be dropped is 5 or greater.

Answer:

C. Round down if the digit to be dropped is less than 5.