Question

Pick out the numbers from the following that are divisible by 3 but not by 9.
(a) 38721
(b) 422679 (c) 6110586 (d) 257796

help me plzz
I will make you brainlist.​

Answer 1

Hey

a) 38721 = 3 + 8 + 2 + 7 + 1 = 21

It is divisible by 3 but not by 9

b) 422679 = 4 + 2 + 2 + 6 + 7 + 9 = 30

It is divisible by 3 but not by 9

c) 6110586 = 6 + 1 + 1 + 5 + 8 + 6 = 27

It is divisible by both 3 and 9

d) 257796 = 2 + 5 + 7 + 7 + 9 + 6 = 36

It is divisible by both 3 and 9