Question

test whether 396,1236 is divisible by 3​

Answer 1

Step-by-step explanation:

divisibility rule for 3 is sum of all no is divisible by 3

3+9+6+1+2+3+6= 30

3+0 =3

3×1 =3

so 3961236 is divisible by three

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Answer 2

Test of divisibility for 3: Sum of the digits should be divisible by 3.

396= 3+9+6= 18. Therefore 18 is divisible by 3, hence 396 is also divisible by 3.

1236= 1+2+3+6= 12. Therefore 12 is divisible by 3, hence 1236 is also divisible by 3.

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