5. Use the definition of rational exponents and properties of exponents to rewrite each expression with rational
exponents containing as few fractions as possible. Then, evaluate each resulting expression for x = 50, y = 12, and
z = 3

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample