Question
Express as metres (m) using decimals:
15cm
15cm
✓
Answer
We know that 100cm = 1m.
Therefore, $1\text{cm}=\frac{1}{100}\text{m}$
$15\text{cm}=15\Big(\frac{1}{100}\text{m}\Big)=\frac{15}{100}\text{m}$
$=0.15\text{m}$
Therefore, $1\text{cm}=\frac{1}{100}\text{m}$
$15\text{cm}=15\Big(\frac{1}{100}\text{m}\Big)=\frac{15}{100}\text{m}$
$=0.15\text{m}$
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