Question

Which smallest digit should be put in ones place of 221 to make it
divisible by 3?​

Answer 1

you can put 8

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Answer 2

Answer:

2

Step-by-step explanation:

The smallest digit should be added is 2

because,the divisibility rule of 3 is

sum of the digits 2+2+1=5

if whe put 2 in the place of 1

then the sum will be 6

hence 6 is divisible by 3 then the whole number is divisible by 3