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# Write decimals as percentages

To write a decimal as a percent, multiply it by 100, then add on the % symbol.

How do you write 0.4 as a percentage?

Multiply the decimal by 100. Move the decimal point two places to the right.

0.4 × 100 = 40

Write the result as a percentage: 40%

How do you write 81.7 as a percentage?

Solution: %