Do Now 2/8/10 Take out HW from Friday. Take out HW from Friday. Text p. 502, #1-3 all Text p. 502, #1-3 all Copy HW in your planner. Copy HW in your planner. Text p. 506, #14-44 even, #50 Text p. 506, #14-44 even, #50 In your notebook, describe two situations that could be represented by the following powers of the ten. In your notebook, describe two situations that could be represented by the following powers of the ten.

Objective SWBAT evaluate powers that have negative and zero exponents.

“Investigating Algebra Activity” With a partner complete the Activity on page 502 in the textbook. Copy and complete the tables in Steps 1 & 2 Complete the ‘Draw Conclusions’ questions #1-3 at the bottom of the page. ExponentPower /3 1/9

Zero and Negative Exponents

Power Fraction Form Decimal Form

Zero and Negative Exponents Let ‘n’ be a positive integer and ‘a’ be a nonzero number. Negative Exponents Zero Exponents Any number or variable to the zero power is always equal to one. reciprocals

Evaluate the expressions. 1)2) 3) 4) undefined

Section 8.1 “Apply Exponent Properties Involving Products” (1) Product of Powers Property (2) Power of a Power Property (3) Power of a Product Property

Section 8.2 “Apply Exponent Properties Involving Quotients” (1) Quotient of Powers Property (2) Power of a Quotient Property

Try It Out...Simplify All Exponents Use All Properties of Exponents Use All Properties of Exponents

Try It Out... Use All Properties of Exponents Use All Properties of Exponents

Try It Out... Use All Properties of Exponents Use All Properties of Exponents

Try It Out... CHALLENGE

Homework Text p. 506, #14-44 even, #50 Text p. 506, #14-44 even, #50