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Hi Eliza, The prefix centi means one one-hundredth. (It takes $100$ cents to make a dollar.) It takes $100$ centimeters to make a metre. Hence $0.7$ metres is $0.7 \times 100 = 70 \mbox{ centimteres }.$ Can you complete the problem now? Write back if you need more assistance. Penny | ||||||||||||
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