Question

Express the following as metres using decimals:

$15cm$

Answer 1

We know that, $100cm=1m$

Also, $1cm=\frac{1}{100}m$.

For converting $cm$ into $metres$, we have to multiply the given value by $\frac{1}{100}$.

$15cm$$=15\times \frac{1}{100}m$

$=\frac{15}{100}m$

$=0.15m$ (As many number of zeros in the denominator that many numbers we will start counting from right to left in the numerator and place the decimal point)

Therefore, $15cm$$=0.15m$