Question

Which number is a composite number?

2

13

29

81

Answer 1

Which of them is not a prime number?

Answer 2

2 is a prime so cross that out

Answer 3

u cant add something to get to 13 unless its 1

Answer 4

You mean multiply?

Answer 5

yes multiply by 2

Answer 6

oke so option 1 and 2 are canceled out.
is 29 a prime number?

Answer 7

yes

Answer 8

alright
only 81 left.
We can check if that's the correct answer
What other than 1 and 81 can be multiplied to get 81?

Answer 9

9

Answer 10

yep, so 81 your answer \(\Huge\ddot\smile\)

Answer 11

thx so very much have a wonderful day or night

Answer 12

haha night :P and same to you