Multiple choice general knowledge math & puzzles [[512^(2/3)]^(2/3)]^(3/4) Ex: 3^2=9 2 4 8 16 32 64 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Multiply the exponents: (2/3) * (2/3) * (3/4) = 1/3. The expression simplifies to 512^(1/3). Since 8^3 = 512, the cube root of 512 is 8.