Question

$by \: which \: no. \: should \: {5}^{ - 1} be \: multiplied \: so \: that \: the \: product \: is \: equal \: to \: {2}^{1}$

Answer 1

$hi here \: is \: the \: solution \\ \\ \\ let \: the \: no. \: be \: x \\ \\ now \\ according \: to \: question \\ \\ {5}^{ - 1} \times x = {2}^{1} \\ x = {2}^{1} \div {5}^{ - 1 } \\ {2}^{1} \div \frac{1}{5} \\ x = {2}^{1} \times {5}^{1} \\ x = 10$

Answer 2

your answer will be 10.........