Question

find unit place digit of the following numbers are squaring=95 with explained​

Answer 1

Answer:

given number 90 we can see 5 is placed as unit digit.

We know that, the squares of a number with the form n5 is a number ending with 25 and has the number n(n+1) before 25.

Here, n=9

⇒ n(n+1)=9(9+1)

=9×10

=90

∴ 95

2

=9025

Answer 2

ANSWER

In the given number 90 we can see 5 is placed as a unit digit.

We know that the squares of a number with the form n5 is a number ending with 25 and has the number n(n+1) before 25.

Here, n=9

⇒ n(n+1)=9(9+1)

=9×10

=90

∴ 95x2

=9025