Question

why is it important to write quantities with the correct number of significant figures? multiple choice to indicate how precisely a quantity is known. to ensure the answer has more decimal places. significant figures only apply to very small measurements. to make calculations easier.

Explanation:

Significant figures show the precision of a measured or calculated quantity. The other options are incorrect: more decimal places isn’t the goal, significant figures apply to all measurements (not just small), and they don’t simplify calculations.

Answer:

To indicate how precisely a quantity is known.