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Session 17. Simplify each expression completely. Warm-up. Daily Quiz. Write each expression as a single power of the base. 7 3  7 6 (y 4 ) 3 Simplify each expression. (2y) 4 (3b 3 ) 2  b. Turn this in. Take out your homework. 7.2 Zero & Negative Exponents.

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Presentation Transcript
warm up

Session 17

Simplify each expression completely.

Warm-up

slide3
Write each expression as a single power of the

base.

  • 73 76
  • (y4)3

Simplify each expression.

  • (2y)4
  • (3b3)2  b

Turn this in.

Take out your homework.

use your calculator to evaluate
Use your calculator to evaluate.

What can you conclude?

A nonzero number to the zero power equals one.

  • 50
  • (-2)0
  • (.45)0
  • (1/7)0
  • (1239)0
  • 00
negative exponents move terms to the other part of the fraction reciprocal

4 is downstairs.

We will move it…

Negative exponents move terms to the other part of the fraction. (reciprocal)

Example 1: Evaluate

slide8

x is downstairs.

We will move it…

Example 2

slide9

-9 is upstairs.

We will move it…

Example 3

class work spw 65 what do you call it when a plane comes down in a garbage heap
Class work:SPW 65What do you call it when a plane comes down in a garbage heap?
  • Turn this in on the cart when you are finished
  • Make sure your name is on it
slide14

Work

p. 452 21 – 39 by 3s

and 51 – 62 all

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