Select the correct symbol

What is the value of the expression below? (81^2)^1/8

Triangle xyz has vertices x(1,3), y(0,0)

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96