Algebra Exponents and Roots Practice Test Results

Question 1
34% answer correctly
What is the radicand in \\(\\sqrt[3]{64}\\) ?
\\(\\sqrt{ }\\)
64
3
4
Question 2
79% answer correctly
\\(9^9 \\times 9^4\\) = ?
\\(9^{13}\\)
\\(5^9\\)
\\(9^{5}\\)
\\(9^{36}\\)
Question 3
71% answer correctly
Solve this equation for a: \\(a = \\frac{b^6}{b^4}\\)
\\(b^2\\)
\\(b^{\\frac{6}{4}}\\)
\\(b^{\\frac{4}{6}}\\)
-2b