Use the calculator to evaluate each expression. Round your answers to the nearest hundredth.​

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?