Question

Which of the following helps you to determine that six hundred ninety-three is divisible by 3?

A. 6 plus 9 plus 3 is divisible by 3.

B. 3 is divisible by 3.

C. ninety-three is divisible by 3.

D. The last digit is a 3.

Answer 1

I think its D

Answer 2

What if it were 713?

Answer 3

13 is not divisible by 3, so that can't be it

Answer 4

Here, this will help:

http://www.sparknotes.com/math/prealgebra/wholenumbers/section2.rhtml

Answer 5

So its A :)

Answer 6

6+9+3 = 18 and 18 can be divide by 3 .. right ? :)

Answer 7

Yes, correct