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5 February, 10:49

Simplify: (8x4) (4x3) / 7x2

A. 32x5/7

B. 1/28x

C. 1/3x

D. 7/9x4

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Answers (1)
  1. 5 February, 14:14
    0
    The Answer is A:

    Simplify the following:

    (8*4 x^4 x^3) / (7 x^2)

    Combine powers. (4 x^3*8 x^4) / (7 x^2) = (4 x^ (4 + 3 - 2) 8) / 7:

    (4*8 x^ (4 + 3 - 2)) / 7

    4 + 3 - 2 = 5:

    (4*8 x^5) / 7

    4*8 = 32:

    Answer: (32 x^5) / 7
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