Multiplying and Dividing Decimals

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# Multiplying and Dividing Decimals - PowerPoint PPT Presentation

Multiplying and Dividing Decimals. Section 3.6. Multiplying Decimals. Multiply decimals as you would whole numbers . Then place the decimal point in the product. To do this, add the number of decimal places in the factors . 3.12 X 0.9 5.75 X 42 0.964 X 0.28. Practice.

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### Multiplying and Dividing Decimals

Section 3.6

Multiplying Decimals

Multiply decimals as you would whole numbers. Then place the decimal point in the product. To do this, add the number of decimal places in the factors.

3.12 X 0.9 5.75 X 42 0.964 X 0.28

Dividing Decimals

To divide with a decimal divisor, multiply it by the smallest power of ten that will make the divisor a whole number. Then multiply the dividend by that same power of ten.

3.348 ÷ 6.2 2.4885 ÷ 0.35 0.0576 ÷ 0.012

Equations

Solve 0.9r = −5.4.

Solve 0.8x = –1.6

Equations

Solve 1.15 = 2.3x

Solve –81.81 = –0.9n

Homework

Practice 5.6