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Q.
- Multiply Whole Number: First, let's multiply the whole number by the decimal.
- Think of Decimal as Tenths: We can think of as tenths, so we're really doing , but we'll have to remember to put the decimal point back in the right spot at the end.
- Multiply Numbers: Now, multiply by .\begin{align*} &\phantom{+}25\ &\times31\ \hline &\phantom{+}25\ &+750\ \hline &775 \end{align*}
- Place Decimal Point: Since we were originally multiplying by , we need to put the decimal point back in. We moved it one place to the right to make , so now we move it one place to the left in our answer.
