What is 0.64 times 15?
Multiplying decimals can seem tricky, but it's actually quite simple. Here's how to calculate 0.64 times 15:
Method 1: Long Multiplication
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Ignore the decimal point for now: Multiply 64 by 15.
64 x 15 ---- 320 640 ---- 960
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Count the decimal places: 0.64 has two decimal places.
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Place the decimal: In the answer (960), move the decimal two places to the left. This gives you 9.60.
Therefore, 0.64 times 15 equals 9.60.
Method 2: Using a Calculator
You can also use a calculator to quickly get the answer. Simply enter 0.64, then the multiplication symbol (*), then 15, and finally press the equals (=) button. The calculator will display the answer: 9.60.
Both methods give the same result: 0.64 times 15 equals 9.60.