$a^m\times b^{m}a^m\backslash times\; b^m$ =

$(-5{)}^{-3}\times (-5{)}^{-4}(-5)^\{-3\}\backslash times(-5)^\{-4\}$ =

If $2^{7x-7}2^\{7x-7\}$ = 1 then x =

The value of $(\frac{2}{5}{)}^{-3}\times (\frac{25}{4}{)}^{-2}(\backslash frac\{2\}\{5\})^\{-3\}\backslash times(\backslash frac\{25\}\{4\})^\{-2\}$ =

Which of the following is not true ?

The standard form of 43800000

The general form of $4.67\times {10}^{4}4.67\backslash times10^4$ is

The standard form of $0.000437\times {10}^{4}0.000437\backslash times10^4$ is ……

$\frac{a^m}{a^m}\backslash frac\{a^m\}\{a^m\}$ = ……

$(\frac{a}{b}{)}^m(\backslash frac\{a\}\{b\})^m$ = ……