Paul uses the expression 4.2 times 12.3 times 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?
one
three
five
eight

Paul uses the expression 42 times 123 times 146 to determine the cost of tiling the floor of a room that measures 123 feet by 146 feet each square foot of tile class=