Question

write down the decimal expansion of those rational number which have terminating decimal expansion 17÷8 in​

Answer 1

$\frac{17}{8} = \frac{17}{ {2}^{3} }</p><p>\\= \frac{17 \times {5}^{3} }{ {2}^{3} \times {5}^{3} } \\= \frac{17 \times 125}{( {2 \times 5})^{3} } = \frac{2125}{10 ^{3} } = 2.125$