Problems 8-1 | Answer Key 8-1 | Problems 8-2
Answer Key 8-2
 

Problems 8-1 (click HERE for a printer-friendly version)

Directions: Complete the exercises below. When you finish, compare your answers with those in the Answer Key 8-1 that follows. For questions you do not get correct, please review the instruction.

Answer the following questions.

  1. What is the small sized number above and to the right of a base number called?

    ________________________________________________________

  2. What does 72 mean?

    ________________________________________________________
    ________________________________________________________

  3. What does 33 mean?

    ________________________________________________________
    ________________________________________________________

  4. Rewrite 6 x 6 x 6 x 7 using an exponent.

    ________________________________________________________

  5. Rewrite 42 x 42 x 6 x 6 using exponents.

    ________________________________________________________

  6. Rewrite 50 x 50 using an exponent.

    ________________________________________________________

In the following, multiply out the factors to find the value.

  1. 122 = _____________________________

  2. 103 = _____________________________

  3. 64 = ______________________________

  4. 42 • 53 = ___________________________

  5. 10002 = ___________________________

  6. 62 • 43 = ___________________________

  7. 22 • 62 • 72 = ________________________

  8. 152 • 102 = _________________________

  9. 13 = _______________________________

 

Answer Key 8-1 (click HERE for a printer-friendly version) (top)

Correct the Problems 8 -1 using the answers below.
  1. What is the small sized number above and to the right of a base number called?

    An exponent

  2. What does 72 mean?

    72 means 7 x 7, or 7 squared or 7 to the second power. When you carry out the operation, you get 49 (72 = 49).

  3. What does 33 mean?

    33 means 3 x 3 x 3, or 3 cubed or 3 to the third power. When you carry out the operation, you get 27 (33 = 27).

  4. Rewrite 6 x 6 x 6 x 7 using an exponent.

    63 • 7

  5. Rewrite 42 x 42 x 6 x 6 using exponents.

    422 • 62

  6. Rewrite 50 x 50 using an exponent.

    502

In the following, multiply out the factors to find the value.

  1. 122 = 144

  2. 103 = 1000

  3. 64 = 1296

  4. 42 • 53 = 2000

  5. 10002 = 1,000,000

  6. 62 • 43 = 2304

  7. 22 • 62 • 72 = 7056

  8. 152 • 102 = 22500

  9. 13 = 1

  

Next Page:  Problems 8-2