Multiply a decimal by a multi-digit whole number

To multiply a decimal by a multi-digit whole number, count the decimal places in the factors, multiply, and move the decimal point one place to the left for each decimal place you counted.

Multiply 4.8 × 52=

Multiply as you would multiply whole numbers.

Count the number of decimal places in the factors. There are 1 decimal places in 4.8. Move the decimal point 1 places to the left in the answer.

2,496. → 249.6

Write the answer:

4.8×52=249.6