7. In multiplying 0.125 \times 0.08, Dina knew the rule that says she should multiply 125 \times 8 and then move the decimal point 5 places. When she did it on the calculator, she saw it was 0.01. She was confused. How would you help her?
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125 by 0.08. 0.125 x 0.08 = 0.01 So, Dina's answer of 0.01 is correct. The rule she used, multiplying 125 x 8 and then moving the decimal point 5 places, is a shortcut method called the "shortcut method for multiplying decimals." It works because when we Show more…
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