Simplify each expression. 1.(x 4 ) 5 2.(x 5 y –2 ) 3 3.(5a 4 ) 3 4. (2w –2 ) 4 (3w 2 b –2 ) 3 x 20 X 15 y -6 125a 12 432w -2 b -6.

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Simplify each expression. 1.(x 4 ) 5 2.(x 5 y –2 ) 3 3.(5a 4 ) 3 4. (2w –2 ) 4 (3w 2 b –2 ) 3 x 20 X 15 y a w -2 b -6

Unit 1, Lesson 8

 Keep the base the same and subtract the exponents.   Example:

Simplify each expression. x4x9x4x9 a. Simplify the exponents.= x –5 Rewrite using positive exponents. 1 x 5 = =

Simplify each expression. p 3 j –4 p –3 j 6 = p 6 j –10 Simplify. Rewrite using positive exponents. p 6 j 10 = b. =Subtract exponents.p 3 – (–3) j –4 – 6

  Example

Simplify. 3 y y 12 = 81 y 12 =

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