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8 January, 03:48

Evaluate the expression when a=9.

2a2

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Answers (2)
  1. 8 January, 04:13
    0
    36

    Step-by-step explanation:

    Substitute the A for the 9, since A=9, and multiply the numbers
  2. 8 January, 04:13
    0
    36 because 9x2 is 18 and 18x2 is 36
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