Question

Calculati 125 la puterea 42 :25 la puterea 63

Answer 1

$125^{42}:25^{63}=5^{3*42}:5^{2*63}=5^{126}:5^{126}=1$

Answer 2

125⁴²=[5³]*⁴²=5¹²⁶;
25⁶³=[5²]*⁶³=5¹²⁶;
⇒5¹²⁶/5¹²⁶=5⁰=1;