Question

TEST OF DIVISIBILITY​

Answer 1

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A divisibility test is a rule for determining whether one whole number is divisible by another. It is a quick way to find factors of large numbers. Divisibility Test for 3: if the sum of the digits of a number is divisible by 3, then the number is divisible by 3. ... The sum of the digits of 621 is 6+2+1 = 9.

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Answer 2

Answer:

Answer:A divisibility test is a rule for determining whether one whole number is divisible by another. It is a quick way to find factors of large numbers. Divisibility Test for 3: if the sum of the digits of a number is divisible by 3, then the number is divisible by 3. The sum of the digits of 621 is 6+2+1= 9.