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19 February, 21:53

1. Multiply. x X x³.

2. Multiply. T9 x t4 x t8

T21

T13

T12

T44

3. Use estimation to determine whether the result is reasonable or not. 351.23 + 3.71 Results: 354.833

Reasonable or Not reasonable

4. Simplify the expression by combining like terms. - 8x - 4x

-4x

32x

-12 + x

-12x

+2
Answers (1)
  1. 19 February, 22:04
    0
    1) I'm guessing your question is x * x^3

    the answer for that would be x^4

    2) T^21

    3) the answer is not reasonable as the sum of those 2 numbers is 354.94

    4) - 12x
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