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16 December, 18:42

Let n = 5. What is the value of the expression 9 n 2 - 2-n? Enter your answer in the box.

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  1. 16 December, 18:52
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    The answer is 83

    Step-by-step explanation:

    9 (5) (2) - 2 - 5

    45 (2) - 2 - 5

    90 - 2 - 5

    = 83
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