Introduction to Powers and Exponents

1
Introduction to Powers and Exponents
2
Definitions
Exponent
Base Number
Base Number The number being multiplied
Exponent The number of times the base is
multiplied
3
Write each expression using exponents

• A. 22222
• B. mmmm
• C. 7
• D. (-5)(-5)
• E (-1)(-1)(-1)(-1)

4
Write each power as a multiplication expression.

• A.
• B.

5
Evaluate each expression

• A)
• B)

If m2
If x -2 and y -3
6
Evaluate each expression.

• C)
• D)

If a -2
If m 4 and n 2