What is the volume of a cube with an edge length of 5 units?
+
Question: What is the unit vector in the direction of a vector with components (3, 4) in the xy-plane?
+
Math question: What is the smallest positive integer value of n, satisfying the equation a^n + b^n = c^n, for a, b, c, and n being positive integers, in accordance with Fermat's theorem? (