Question

Pls help fast
Q attached below

Answer 1

Answer:

(a) 5 is the correct answer.

The N should be a multiple of 10^6.

or 10^6 should be a factor of N.

So, to make 10^6 as a factor,

the N should have 2^6 × 5^6 as a factor.

taking the power of 2,

x + 1 ≥ 6

x ≥ 5

Taking the power of 5,

x + 4 ≥6

x ≥2

Hence, x ≥ 5.