7.4 - a. 3 4 a b. ( ) 5 c To simplify numbers with rational...

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Algebra II – Answers for P366 (40-46 even) P372 (46-51 all) and P828 (1-14 all) .
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New Problems. Key fact – All radical expressions can be written with rational exponents. Here are some examples : Please write this down: If the n th root of a is a real number and m is an integer, then n n a a = 1 and ( ) m n n m n m a a a = = but if m is negative a can’t equal 0. Example: Convert each to radical form. a. 8 3 - a b. 4 . 0 v
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Example: convert each to exponential form.
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Unformatted text preview: a. 3 4 a b. ( ) 5 c To simplify numbers with rational exponents, you can either (a) convert the expression to radical form or you can use the properties of exponents . 1) a. ( ) 5 3 32-b. ( ) 5 3 32-2) a. 5 . 3 4-b. 5 . 3 4-3) a. 2 3 25-b. 2 3 25-4) Simplify ( ) 4 3 8 16--y 5) Simplify ( ) 3 1 15 8-y Homework: P 382 (4-7) (14-16) (23-25) (34-36) (43-47)...
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This note was uploaded on 05/13/2011 for the course MTH 98 taught by Professor Johnson during the Fall '09 term at Grand Valley State University.

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7.4 - a. 3 4 a b. ( ) 5 c To simplify numbers with rational...

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