Understand the question: Understand what is being asked.We need to find 10% of the number 90. To do this, we will convert the percentage into a decimal and then multiply it by the number.
Convert percentage to decimal: Convert the percentage to a decimal.To convert a percentage to a decimal, we divide it by 100. So, 10% becomes 10÷100=0.10.
Multiply decimal by number: Multiply the decimal by the number.Now we multiply the decimal 0.10 by the number 90 to find 10% of 90.0.10×90=9
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