Review 23 x x /43 2x4 Identify what the 2 is.

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Presentation transcript:

Review 23 x 28 45 x 83 417/43 2x4 Identify what the 2 is. Identify what the x is. Identify what the 4 is.

9.4 Negative and Zero Exponents Objective: students will no how to solve problems using the negative and zero exponent rule.

Informations Negative Exponents Ex: 5-2 = 1 52 Zero exponents Exponent is integer A-n = 1 / an Ex: 5-2 = 1 52 Zero exponents Number raised to zero answer is 1 a0 = 1 Ex: 3240 = 1

Examples 7-3 5-2 6-4 1,000,000,0000 4y-2 50 1200 a-8b4

St. Examples 13-7 xy0 8-10 1210 c3d-2 d-3e-7 60 8f-1

Information Rewrite fraction without division bar. 1 / 16 11/c6 1/98 Prime factor number denom. and move to num. Apply negative sign to exponent 1 / 16 11/c6 1/98 4 / x4

St. Examples – get rid of fraction bar 1 / 102 1 / 25 4 / d 11 / c4 1 / 19 8c5 4y / x3 9a2 / b3

Powers Neg. Exponents 3-7 x 310 2-5 / 2-4 5-8 x 5-4 72 / 7-5

More Examples 5k3 / k-9 34 x 3-7 2s-5 x s3 26w-4 / 13w-12 b-5 x b-12 11g2 / g-4

Wrap-up Questions/Comments IC/HW: Workbook pg. 121