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9 May, 11:58

Which of these numbers is a common factor of 54 and 81? 54 = 2 x 3 x 3 x 3 81 = 3 x 3 x 3 x 3 A) 2 B) 6 C) 9 D) 18

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  1. 9 May, 13:14
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    C) 9

    Step-by-step explanation:

    54 = 2 x 3 x 3 x 3

    81 = 3 x 3 x 3 x 3

    common factor of 54 and 81 = 3 x 3 = 9

    Answer: 9
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