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 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 Multiply 1.7 x 367 = Solution: