Question

What is 28^{\frac{1}{2}} in simplest radical form?
Choose one answer.
a. 4sqrt(7)
b. 14
c. 2sqrt(7)
d. 7sqrt(2)
Question 5
Marks: 1
Which expression is equivalent to (\sqrt{x})(\sqrt[3]{x^{2}})?
Choose one answer.
a. x^{\frac{7}{6}}
b. x^{\frac{3}{5}}
c. x^{\frac{1}{6}}
d. x^{\frac{1}{3}}
Question 6
Marks: 1
Simplify (6sqrt{10t})(4sqrt{15t^{3}})
Choose one answer.
a. 120t^{2}\sqrt{2}
b. 120t\sqrt{6t}
c. 120t^{2}\sqrt{5}
d. 120t^{2}\sqrt{6}

Answer 1

\[28^{1/2} = \sqrt{28}\] So what are the factors of 28?