Question

if z=3, then 31z5 is a multiple of 3. true or false​

Answer 1

Answer:

false

Step-by-step explanation:

3135 is not divisible by 3

so it is not a multiple...

Answer 2

Answer:

TRUE

Step-by-step explanation:

If we divide 3135, we will get 1045- which is a whole number

As 3+1+3+5= 12 where 12 is divisible by 3. So 3135 is also divisible by 3

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