Question 8Correct6.25 points out of 6.25z+ 7Question 9Correct6.25 points out of 6.25Write the final answer using positive exponents only.Question positive real numbers.10d. The correct answer is:
6Add the radical expressions.z+ 7222
Simplify the expression by using the properties of rational exponents. Write the final answer using positive exponents only.
tSimply the expression. Assume that all variable expressions represent positive real numbers.
4 of 10