Negative Exponents Lesson #5 Pg. 203.

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Presentation transcript:

Negative Exponents Lesson #5 Pg. 203

What You’ll Learn Unit fractions can be written as a power with a negative exponent The Laws of Exponents apply to negative exponents

Real World Link Exponential Form Standard Form

Zero and Negative Exponents Any nonzero number to the zero power (exponents) is 1 (one). Rule Example

Zero and Negative Exponents Negative (have nothing to do with the positive or negative of the problem) Any nonzero number to the negative n power is the multiplicative inverse of its nth power. Rule Example

Examples

Examples Write each fraction as an expression using a negative exponent other than – 1.

Reflection What is the difference between (-4)2 and 4-2 ?

Multiply and Divide with Negative Exponents Exponential Rules can still be used to multiply and divide powers with negative exponents…

Examples

Summary of Exponents http://www.youtube.com/watch?v=1p5kpP7C_CE

Homework HW: pg. 207 - 208 (1-18, 24) www.ixl.com 8th F11