Question

what is the last digit of 5 power 2020... step by step.. explain.. please
​

Answer 1

Answer:

prefer to it child

Step-by-step explanation:

5^1=5

5^2=25

5^3=125

5^4=3125

5^5=15625

5^6=78125 you will observe that any number will have 25 as the last two digits.

And the pattern will repeat till 5^100. Hence the last two digit will be 25.

Also other way to know this is (5^2)^50 anything raise to 25 as last two digits will have 25.

Thanks.

Answer 2

Answer:

5

Step-by-step explanation:

5 power anything we always have last digit as 5

5^2=25

5^3=125

5^4=625

see 5 power anything always ends with 5