Question

Using the divisibility test, determine whether the following numbers are divisible by 3? first 769 second 6399 third 873d•1341​

Answer 1

Step-by-step explanation:

Whenever there comes any question to show the divisibility test as whether the numbers are divisible by 3 or not, we add the all digits of the number and if their sum is divisible by 3 then that number is divisible by 3.

1.769

Divisibility test by 3

Sum of all digits of 769=7+6+9=22

As 22 is not divisible by 3,then 769 is not divisible by 3.

2.6399

Divisibility test by 3

Sum of all digits of 6399=6+3+9+9=27

As 27 is divisible by 3 then 6399 is divisible by 3.

3.873

Divisibility test by 3

Sum of all digits of 873=8+7+3=18

As 18 is divisible by 3 then 873 is also divisible by 3.

4.1341

Divisibility test by 3

Sum of all digits of 1341=1+3+4+1=9

As 9 is divisible by 3 then 1341 is also divisible by 3.

Hope it will help you.

Answer 2

Answer:

3 is the answer

Step-by-step explanation:

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