Question

Express the following decimal as percent$:$

$0.21$

Answer 1

Step $1:$ To convert given decimal$,$ $0.21$ into percentage.

As we know that a fraction with its denominator $100$ is called percentage$.$

Step $2:$ Divide and multiply the decimal, $0.21$ by $100$

$=0.21\times \frac{100}{100}$

$=\frac{{\displaystyle 0.21\times 100}}{100}$

$=\frac{{\displaystyle 21}}{100}$

$=21\%$

Hence, $21\%$ is the equivalent percentage of $0.21$