Question

Check weather 5^n can end with digit 0 for any natural number n

Answer 1

Hi pupil here's your answer ::

your question to find the power of n on 15^n
so, here is your answer there is no power where the 5 can end with zero .....
EXAMPLE :: 5^3 = 125
5^10=9865625

so there is no power to get the digit zero in the 15^n...