Chapter 8: Problem 71
Evaluate the expression. $$\left(\frac{2}{5}\right)^{2}$$
Chapter 8: Problem 71
Evaluate the expression. $$\left(\frac{2}{5}\right)^{2}$$
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Get started for freeUse a table of values to graph the equation. $$ y=x+2 $$
Write your answer as a power or as a product of powers. $$ \left[(5+x)^{3}\right]^{6} $$
Write your answer as a power or as a product of powers. $$ (-r s)\left(r s^{3}\right)^{2} $$
Write your answer as a power or as a product of powers. $$ (-y)^{3}(-y)^{4}(-y)^{5} $$
Use the following information. The power generated by a windmill can be modeled by the equation \(w=0.015 s^{3},\) where \(w\) is the power measured in watts and \(s\) is the wind speed in miles per hour. Find the ratio of the power generated by a windmill when the wind speed is 20 miles per hour to the power generated when the wind speed is 10 miles per hour.
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