Question

Which of the following helps you to determine that three hundred sixty-four is divisible by 4?

The last digit is a 4.

4 is divisible by 4.

sixty-four is divisible by 4.

3 plus 6 plus 4 is divisible by 4.

Answer 1

That 64 is divisible by 4. The others mean nothing in terms of divisibility by 4.

Answer 2

For example, 14 is not divisible by 4 but satisfies the first and second options.

Answer 3

If the last two digits of a numer are divisable by four, then the entire number is.

Answer 4

Likewise, for 26, 2+6=8 which is divisible by 4, but 26 is not divisible by 4.

Answer 5

its one of those division tricks for finding prime factorization. Such as if a number can be added to be divisable by three then that entire number is divisable by three.