Multiply: 4.6 × 7.2 = _____

Set up multiplication problem: First, let's set up the multiplication problem. 4.6 × 7.2Multiply as whole numbers: Now, multiply the numbers as if they were whole numbers. Forget about the decimal for now. 46 × 72 = 3312Count decimal places: Count the number of decimal places in the problem. There's one decimal place in 4.6 and one in 7.2, so that's two decimal places total.Place decimal in answer: Place the decimal in the answer. Since there are two decimal places in the numbers we're multiplying, the answer should have two decimal places. So, 3312 becomes 33.12

Home

Math Problems

Grade 6

Multiply decimals

Full solution

Q. Multiply:

4.6 \times 7.2 =

_________

Set up multiplication problem: First, let's set up the multiplication problem. $4.6 \times 7.2$
Multiply as whole numbers: Now, multiply the numbers as if they were whole numbers. Forget about the decimal for now. $46 \times 72 = 3312$
Count decimal places: Count the number of decimal places in the problem. $\newline$ There's one decimal place in $4.6$ and one in $7.2$ , so that's two decimal places total.
Place decimal in answer: Place the decimal in the answer. $\newline$ Since there are two decimal places in the numbers we're multiplying, the answer should have two decimal places. $\newline$ So, $3312$ becomes $33.12$