Question

6. If 2^n-7 X5^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-7×5n-4=2×625

2^n-7×5^n-4=2^1×5^4

On comparing values,we get

Taking,2^n-7=2^1

n-7=1

n=1+7

n=8

Answer 2

Answer:

value of n= 8...............