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Name:   ______________________
Date:      ______________________
Period:  ______________________

Lesson 8
 Powers, Roots and Radicals
Practice Exercise 8-1

Directions: Compare your answers with those in the Answer Key 8-1.  For any items you do not get correct, please review the Instruction and recalculate the problems.

Answer the following questions.

  1. What is an exponent?
    _____________________________________________________
    _____________________________________________________
    _____________________________________________________

  2. What does 162 mean?
    _____________________________________________________
    _____________________________________________________
    _____________________________________________________

  3. What does 93 mean?
    _____________________________________________________
    _____________________________________________________
    _____________________________________________________

  4. Rewrite 10 x 10 x 10 using an exponent.
    _____________________________________________________

  5. Rewrite 726 x 726 x 726 x 726 x 726 using an exponent.
    _____________________________________________________

  6. Rewrite 47 x 47 using an exponent.
    _____________________________________________________


In the following, multiply out the factors to find the value.
  1. 142 = ____________________

  2. 253 =  ____________________

  3. 44 =  _____________________

  4. 22 • 33 =  __________________

  5. 1003 =  ___________________

  6. 52 • 33 =  __________________

  7. 42 • 32 • 52 =  _______________

  8. 162 • 202 =  ________________

  9. 121 =  ____________________