Question

${\left(1\frac{3}{10}\right)}^3$ = ?
(a) $1\frac{27}{1000}$ (b) $2\frac{27}{1000}$
(c) $2\frac{197}{1000}$ (d) none of these

Answer 1

${\left(1\frac{3}{10}\right)}^3={\left(\frac{13}{10}\right)}^3=\frac{13\times 13\times 13}{10\times 10\times 10}=\frac{2197}{1000}=2\frac{197}{1000}$