The square of even numbers are even number .show?

2^2 =4 this is even number

4^2=16 this is also even number

6^2=36 this is also even number

. It’s because a prime factor of all even numbers is 2. Therefore the prime factors of all even squares includes two, therefore, the square must be even.

i think c. but don't trust it.

step-by-step explanation:

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2