# How do you evaluate #z^4-w# if # w=6, x=0.4, y=1/2, z=-3#?

##### 1 Answer

Mar 2, 2017

#### Explanation:

To 'evaluate' an algebraic expression means to find its value if the variables are given numerical values.

#color(blue)(z)^4 - color(red)(w)" "(color(blue)(z=-3) " " and color(red)(w = 6))#

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