Question

Solve the full question and give step by step ans plz
fast

Answer 1

=>2^n/2^7 *5^n/5^4=1250

=>2^n*5^n= 1250*2^7*5^4

=>2^n*5^n=5^4 *2 *2^7 *5^4

=>2^n*5^n=5^8 *2^8

=>hence by comparing n=8