Question

maths question..............​

Answer 1

Answer:

8

Step-by-step explanation:

2^(n-7)×5^(n-4) = 1250= 2× 625= 2^1 × 5^4

equal bases gets cancel to each other and their exponents will be equalised.

n - 7 = 1 , n - 4 = 4

=> n = 8 , n = 8

hence, n = 8 satisfies the above equation

Answer 2

Answer:

8

Step-by-step explanation:

2^(n-7)×5^(n-4) = 1250= 2× 625= 2^1 × 5^4

simple from here