1. Multiplying with exponents

2. Objectives Use exponent notation.
Simplify expressions with positive integer exponents.
Define a zero exponent.
Simplify expressions with negative exponents
Write a number in scientific notation

3. What is an exponent? What does 25 equal? an
a is called the base, n is the power or exponent

4. Using exponent notation
x*x*x*x*x =
(3x)(3x)(3x)=

5. The product rule
(x2)(x3) =
(102)(106)

6. Zero exponent
a0 = 1

7. Multiplying multiple numbers and variables
(2x2y4)(4x2y2)

8. Multiplying multiple numbers and variables
(10x2y4)(-12x2y2)

9. Another example
(-x2y3)(-2x6y12)(-x7y5)