Basic Math & Pre-Algebra All-in-One For Dummies (+ Chapter Quizzes Online). Mark Zegarelli

      This is correct, so .

      19 Solve these exponents.

      (a)

      (b)

      (c)

      (d) (Hint: You can make your work easier by using the answer to c.)

      20 Solve these exponents.

      (a)

      (b)

      (c)

(d)

Practice Questions Answers and Explanations

      1

      (a)

      (b)

      (c)

      (d)

      2

      (a)

      (b)

      (c)

      (d)

      3

      (a)

      (b)

      (c)

      (d)

      4

      (a) 110. Rewrite as its inverse: . Therefore,

      (b) 15. Rewrite as its inverse: So, .

      (c) 87. Rewrite using the commutative property: . Now rewrite this equation as its inverse: . Therefore, .

      (d) 203. Rewrite

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