Question

find the value of: 2^-3 × (-7)^-3​

Answer 1

hey

here is ur answer

$\huge \pink{ \boxed{ \boxed{ \mathbb {Answer}}}}$

Required to find:

$\bf is \: 2^{-3}×(-7)^{-3}$

$\Huge \bf {\underline {\boxed{a^{-1}= \frac {1}{a}}}}$

$\bf by \: solving \: we \: get$

$\bf = \frac {1}{8}×\frac {-1}{343}$

$\bf answer = \frac {-1}{2744}$

Some more useful identities :

$\bf a^m × a^n=a^{m+n} \\</p><p></p><p>\frac {a^m}{a^n}=a^{m-n} \\</p><p></p><p>a^0=1 \\</p><p></p><p>a^1=a$

$\huge \pink{ \boxed{ \boxed{ \mathbb{ \mid \ulcorner THANKS \urcorner \mid }}}}$