Question

multiply the measurements. 40.2 cm × 36.6 cm write your answer with the correct number of significant figures. round if necessary. cm²

Explanation:

Step1: Multiply the numbers

$40.2\times36.6 = 1471.32$

Step2: Determine significant - figures

Both 40.2 and 36.6 have 3 significant figures. So, the result should also have 3 significant figures.

Step3: Round the result

Rounding 1471.32 to 3 significant figures gives 1470.

Answer:

$1470$ cm$^{2}$