1. True or false: The first step in solving an equation with a fractional exponent is to isolate the power term.
2. Solve the equation $x^{3/4} = 4$. Round your answer to two decimal places. Your answer is ___.
3. Solve the equation for $w$. Round your answer to the nearest thousandth. $1.3w^{0.3} + 4.7 = 5.2$. $w = \_\_\_$
4. Solve the equation $(3x - 2)^{3/4} = 8$. The value of $x$ is ___.
5. The incubation time for a bird's egg is given by $I(m) = 12.0m^{0.217}$, where $m$ is the mass in grams. If an egg's incubation time is 26 days, what is its mass? Round to one decimal place. ___ grams.
6. Solve the equation $3.2x^{0.6} - 9.7 = 8.7$. Round your answer to two decimal places. The value of $x$ is ___.
7. Solve the equation for $y$. $\frac{2}{3}(2y + 1)^{0.2} = 6$. $y = \_\_\_$
8. The number of mammal species $M$ is related to the temperature range $R$ by $M = 433.8R^{-0.742}$. If 50 species are found, what is the expected temperature range? Round to the nearest whole degree. ___ degrees Celsius.