Question

calculate the answer to the appropriate number of significant figures: 57.00×7.5 =

Explanation:

Step1: Perform multiplication

$57.00\times7.5 = 427.5$

Step2: Determine significant - figures

The number 7.5 has 2 significant figures. So, we round 427.5 to 2 significant figures. Rounding 427.5 to 2 significant figures gives 430.

Answer:

430