Question

. Using divisibility test check whether 639210 is divisible by i) 2 & ii) 3
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Answer 1

Answer:

$639210 \\ \\ = 6 + 3 + 9 + 2 + 1 + 0 \\ \\ = 9 + 9 + 2 + 1 + 0 \\ \\ = 18 + 2 + 1 + 0 \\ \\ = 20 + 1 + 0 \\ \\ = 21 \\ \\ so \: 639210 \: is \: divisible \: by \: 3 \: and \: not \: by \: 2$

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Answer 2

Answer:

the answer is 3

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