mary performs this calculation. (3.0)(2.0) how many significant figures should her answer have? one two four…

Explanation:

Step1: Recall significant - figure rule for multiplication

When multiplying numbers, the number of significant figures in the answer is determined by the number of significant figures in the original numbers with the least number of significant figures.

Step2: Identify significant figures in given numbers

The number 3.0 has two significant figures, and the number 2.0 has two significant figures.

Step3: Determine significant figures in the product

Since the least number of significant figures among the numbers being multiplied (3.0 and 2.0) is two, the product (3.0)(2.0)=6.0 should also have two significant figures.

Answer:

B. two