Quick Write Simplify & Explain How 3-3 a-5

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Presentation transcript:

Quick Write Simplify & Explain How 3-3 a-5 M8.A.1.1.1 M08.B-E.1.1.4 Objective: to continue how To divide powers with the same base and to simplify exponents with negative exponents.

Go over homework M8.A.1.1.1 M08.B-E.1.1.4 Objective: to continue how To divide powers with the same base and to simplify exponents with negative exponents.

12-5 Zero & Negative Exponents Continued M8.A.1.1.1 M08.B-E.1.1.4 Objective: to continue how To divide powers with the same base and to simplify exponents with negative exponents.

A power to a power – you multiply the powers Write each expression as a single power of the base. (y4)3 (3b3)2

Simplify each expression completely.

Anything to the zero power is? ___ What can you conclude? 50 (-2ay)0 (.45)0 (1/7)0 (1239)0 00 A nonzero number to the zero power equals one.

Negative exponents move terms to the other part of the fraction.

Negative exponents move terms to the other part of the fraction Negative exponents move terms to the other part of the fraction. (reciprocal) Example 1: Evaluate 4 is downstairs. We will move it…

x is downstairs. We will move it… Example 2 x is downstairs. We will move it…

-9 is upstairs. We will move it… Example 3

Now let’s include what we learned from last class. What do we know that we can do with these exponents? What do we know that we can do with these exponents?

Evaluate the expression without using a calculator.

Rewrite the expression with positive exponents.

Homework Practice Sheet 12-5 all