Question

Without actually performing a long division,state whether the rational no. 51 / 625 has a terminating decimal expansion .Write it if it has terminating decimal expansion.

Answer 1

Answer:

Step-by-step explanation:

51/625

The prime dactorisation of 625 is 5*5*5*5

As it is in form of 2^m*5^n it is terminating

It's decimal expansion is 51/5*5*5*5

51*2*2*2*2/10*10*10*10

816/10000

0.0816