Algebra Exponents and Roots Practice Test Results

Question 1
78% answer correctly
Which of the following is not a synonym for \\(7^2\\) ?
7 squared
7 cubed
7 to the second power
The square of 7
Question 2
93% answer correctly
\\(2^4 \\times 2^7\\) = ?
\\(2^{0.57}\\)
\\(2^{11}\\)
\\(-3^2\\)
\\(2^{-3}\\)
Question 3
80% answer correctly
\\((5^9)^4\\) = ?
\\(5^{2.25}\\)
\\(5^5\\)
\\(5^{36}\\)
\\(5^{13}\\)