2. Exponents Powers – Are #’s expressed using exponents. Exponents – Indicates how many times the base is used as a factor. Ex) 3 x 3 x 3 x 3 = 3 4 7 x 7 x7 x 7 x 7 x 7 = 7 6

3. Vocabulary 4 6 Base Exponent The exponent is sometimes referred to as the power.

4. Some Powers have special names: PowersWords 2525 2 to the fifth power 3232 3 squared or 3 to the second power 10 3 10 cubed or 10 to the third power Ex) 1. 8 4 = 2. 5 9 = 3. 7 3 = 4. 11 8 =

5. The meaning of the exponent: 1.) 4 6 = 444444 2.) 4 3 = 4 4 4 3.) 4 1 = 4 4.) 4 0 = ? Anything to the zero power equals 1