Question

$Calculati: \frac{6 ^{-10} }{81^{-2}*32^{-2} }$

Answer 1

81² *32²/6^10=
(3^4)² *(2^5)²/(2*3)^10

3^8 * 2^10/(2^10 *3^10)=
1/3²=
1/9
as simple as that!