Positive real exponents, Mathematics

Simplify following and write the answers with only positive exponents.

 (a) ( x8.2 y -0.26 z 2 )0.5

 (b)  (x3 y -4.1  / x-2.7 )-3

Solution

 (a) (x8.2 y -0.26 z 2 )0.5 = x4.1 y0.13 z =( x4.1 z /y -0.13 )

(b)

(x3 y -4.1  / x-2.7 )-3= x3 x2.7 /y 4.1  =( x5.7 / y 4.1  )-3 =( y 4.1  / x5.7)3= y12.3/ x17.1

Posted Date: 4/6/2013 1:55:15 AM | Location : United States







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