Question

examine whether 321 is multiple 3​

Answer 1

Answer:

$321 \times 3 = 963$

Step-by-step explanation:

╾━╤デ╦︻

Answer 2

Answer:

For testing whether a number is divisible by 3 or not we add the whole number digits as below and then see if the sum is divisible by 3 or not -

▪︎3 +2 + 1 = 6

and 6 is divisible by 3. So we can conclude that 321 is divisible by 3.

☆. PROOF - 321/3

= 107....