Question

BASIC MATH

Paul uses the expression 4.2 x 12.3 x 14.6 to determine the cost of tiling the floor of a room that measures 12.3 feet by 14.6 feet; each square foot of tile costs $4.20. How many decimal places will be in Paul’s final answer?
A. one
B. three
C. five
D. eight

Answer 1

B. Three.

Step-by-step explanation:

Three because there is one decimal place in each factor and there are 3 factors.

Answer 2

B. Three. It is three because there is one decimal place in each factor.