Algebra 1 – Notes 8.1
Zero and Negative Exponents
Learning Targets: 1. Students will be able to simplify expressions with zero and negative exponents
2. Students will be able to evaluate exponential expressions
Zero Exponents
Negative Exponents
Simplifying a Power
4-3
(-1.23)0
3-4
(-4)-3
7-1
-3-2
-20
Simplifying an Exponential Expression
4yx
-3
a-4b2c0
1
w 4
3 2
3 6
7s0t-5
3ab0
Evaluating an Exponential Expression
Evaluate 3m2t-2 for m = 2 and t = -3
Step 1: Write with positive exponents
Step 2: Substitute values for m and t
Step 3: Evaluate
Evaluate each expression for n = -2 and w = 5
n-3w0
n 1
w2
w0
n4
_____ I can simplify expressions with zero and negative exponents
_____ I can evaluate exponential expressions
1
nw  2