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16 September, 10:05

Simplify y4 x y3

A. Y^1

B. Y^7

C. Y^12

D. Y^43

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Answers (2)
  1. 16 September, 12:10
    0
    The index law states that indices with the same base when timesed together the indexes add so the answer is b because 3+4=7
  2. 16 September, 13:56
    0
    The answer is B. Y^7. u have to add the exponent
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