1. Review 24
3x3x3x3x3x3 12
9x2yz

2. 9.3 Rules of Exponents
Objective: students will learn the multiplication and division rules for exponents with the same base.

3. Information
Product of Powers Property: multiply powers with same base, add exponents.
Ex: 42 x 48
Quotient of Powers Property: divide powers same base, subtract exponents.
Ex: 76 73

4. Examples
b8 x b2
a x a8 x a3
2n7 x 6n8
610 / 64
1015 / 107
z5 / z2

5. Student Ex 2m6 x 7m5 n9 / n2 42 x 455 a5 x a8 x a5 218 / 27 58 x 58
y4 / y3
4m9(n7m)

6. Both properties
14a2b2 / 4ab
6z9 x 8z4 / 27z2

7. Student Ex. 63m7n6 / 27mn 3a x 4a4 / 28a2 13b7 x b4 / b
2w6 x 36w4 / 18w4

8. Find Missing Exponent x? / x4 = x5 r5 x r? = r47 x7 / x? = x3
t? x t6 = t12

9. Wrap-up
Questions/comments
Workbook pg. 119