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9 November, 03:42

Simplify each expression. justify each step. (5n • 9) • 2n

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Answers (2)
  1. 9 November, 03:45
    0
    10n^2·18n is your answer

    1. 5n·2n = 10n^2

    2. 9·2n = 18n

    3. 10n^2·18n=10n^2·18n
  2. 9 November, 04:08
    0
    5n * 9 = 45n

    45n * 2n = 90n^2

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