Mathematics, 18.03.2021 01:00 ash011519

Your decision. 5. Hannah examined these multiples of 9: 18, 45, 63, 27, 81, 108, 216.
She claimed that the sum of the digits in any multiple of 9 will add
to 9. Do you agree or disagree? Justify your decision.

Answers: 3

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Your decision. 5. Hannah examined these multiples of 9: 18, 45, 63, 27, 81, 108, 216.
She cla...