Question

Which equations show that the set of whole numbers is closed under multiplication? Choose all answers that are correct. A. –1 • –1 = 1 B. 0 • –1 = 0 C. 0 • 2 = 0 D. 2 • 1 = 2

Answer 1

@sammixboo

Answer 2

Which one do you think?

Answer 3

B,C,D

Answer 4

Am i right?

Answer 5

Why do you think that it is those three answers?

Answer 6

They just make more sense then A does.

Answer 7

Take a look at this https://answers.yahoo.com/question/index?qid=20081015112756AAHGDM6

Answer 8

@sammixboo can you just help?

Answer 9

That yahoo doesnt really help.

Answer 10

"Closed under multiplication" means when you multiply two whole numbers, your answer will also be a whole number.

So say 6 times a whole number equals a whole number. That is "close under multiplication"

Whole numbers are 0, 1, 2, 3, 4, 5, and so on.

Answer 11

And -1, -2, -3, and so on

Answer 12

So what would the answer be?

Answer 13

@sammixboo

Answer 14

Are all the numbers in all the choices Whole numbers?

Answer 15

Choose all answers that are correct.

A.
–1 • –1 = 1

B.
0 • –1 = 0

C.
0 • 2 = 0

D.
2 • 1 = 2

Answer 16

@sammixboo

Answer 17

@sammixboo

Answer 18

@AnswerMyQuestions

Answer 19

Can you help me @AnswerMyQuestions

Answer 20

@Bonezyboy is every single number in your choices a whole number?

Answer 21

no

Answer 22

What numbers aren't whole numbers?

Answer 23

-1

Answer 24

I just need answer. But explain how you got the answers to me

Answer 25

-1 is a whole number.

Answer 26

@sammixboo

Answer 27

ok

Answer 28

This person doesn't want to learn anything.

Answer 29

I told you to explain it to me

Answer 30

If all the numbers in the choices are whole numbers, then all choices are the answer.

Answer 31

Oh. Thanks :)

Answer 32

i need to know the answer