Question

find the sum of last 3 digits of 5^2012

Answer 1

Answer:

13

Step-by-step explanation:

5^1=5

5^2=25

5^3=125

5^4=625

5^5=3125

5^6=15625

5^7=78125

If we observer this If see the powers of underlined numbers that 125 as odd power and 625 as even power.

2012 is even power so that last 3 digits are 6,2,5

now add 6,2,5 we will get 13

Hope i cleared your doubt.