Exponents & Powers Quiz 9

$10^{-3x}=8$ then $10^x$ = ……

$x=\sqrt{2}$ then $x^{-5}$ = ……

$\frac{2^{n+2}-2^{n+1}}{4\times2^{n-1}}$ = …

$5^{7-x}=5^0$ then x = ……

If $9^x-9^{x-1}=72$ then the value of 3x = ……

$\frac{1}{81}$ th value of 729 is ……

If we multiply $3^{-4}$ with …… product as 729.

$2^n=2$ then $2^{n+3}$ = ……

$16^{1.25}$ = ……

$a^{x(y-z)}\times a^{y(z-x)}\times a^{z(x-y)}$ = ……