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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

1. Zero and Negative Exponents

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Exercise 42 Page 422

Substitute -3 for r and 5 for s.

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Practice makes perfect

To evaluate the given expression for r = -3 and s = 5, we should substitute these values into the expression and simplify as much as possible.

r^0s^(-2)

r= -3, s= 5

( -3)^0 5^(-2)

a^0=1

1* 5^(-2)

Identity Property of Multiplication

5^(-2)

NegExponentToFrac

a^(- m)=1/a^m

1/5^2

Calculate power

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Subchapter links

Lesson Check p.421

Practice and Problem-Solving Exercises p.421-423

Standardized Test Prep p.423

Mixed Review p.423