Question

if 2^n-7 ×5^n-4=1250 find the value of n​

Answer 1

Answer:

n = 8

Step-by-step explanation:

2^n-7 ×5^n-4=1250

2^n-7 × 5^n-4 = 2^1 × 5^4

n - 7 = 1

so n = 8