body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Pearson Algebra 1 Common Core, 2011

PA

Pearson Algebra 1 Common Core, 2011 View details

1. Zero and Negative Exponents

Continue to next subchapter

Exercise 41 Page 422

Substitute 5 for s.

4/5

Practice makes perfect

To evaluate the given expression for s=5, we should substitute 5 for s in the given expression and then simplify.

4s^(-1)

s= 5

4* 5^(-1)

NegExponentToFrac

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

4*1/5^1

Calculate power

4*1/5

MoveLeftFacToNumOne

a* 1/b= a/b

4/5

Subchapter links

Lesson Check p.421

Practice and Problem-Solving Exercises p.421-423

Standardized Test Prep p.423

Mixed Review p.423