Understand the question: Understand what is being asked.We need to calculate 10% of 45. To find a percentage of a number, we multiply the number by the percentage expressed as a decimal.
Convert percentage to decimal: Convert the percentage to a decimal. 10% as a decimal is 0.10.
Multiply decimal by number: Multiply the decimal by the number.Now we multiply 0.10 by 45 to find 10% of 45.0.10×45=4.5
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