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8-47.

Rewrite each of the expressions below in a simpler form using exponents.

  1. Notice how many 4's there are and how many 5's there are. The exponent refers to how many times a number is multiplied by itself.

    Since there are two 4's and three 5's:

  1. Use the same method as in (a).

  1. Use the same method as in (a).