1. Dividing Monomials
Chapter 8-2
S. Calahan
2008

2. Quotient of Powers
To divide two powers that have the same base, subtract the exponents.
b15 ÷ b7 = b15-7 = b8

3. Power of a Quotient
Find the power of the numerator and the power of the denominator.
3 5 = 35 = 243

4. Zero exponent
Any nonzero number raised to the zero power is 1.
(-0.25)0 = 1

5. Negative Exponents
For any nonzero number a and any integer n, a-n is the reciprocal of an. In addition, the reciprocal of a-n is an.
5-2 = 1 = 1

6. Examples
= 78-2 = 76 72
= 1 = 1

7. Examples
3. 15b = 15 b1-5 = 1 45b5 45 3b = 23 =