Question

If 31m4 is divisible by 3, what is the value of m?​

Answer 1

Answer:

m=1,4,7

Step-by-step explanation:

if m = 1 . then

3+1+1+4= 9 which is divisible by 3

if m= 4, then

3+1+4+4 = 12 which is divisible by 3.

if m=7, then

3+1+7+4= 15 which is divisible by 3

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