Question

$(0.2{)}^5\text{can be written as}$.

• A. $0.0032$
• B. $0.00032$
• C. $0.32$
• D. $0.032$

Answer 1

The correct option is B $0.00032$

${0.2}^5$ $=(\frac{2}{10}{)}^5$

$=\frac{2^5}{{10}^5}$

$=\frac{2\times 2\times 2\times 2\times 2}{10\times 10\times 10\times 10\times 10}$

$=\frac{32}{100000}$

$=0.00032$