+193 What is the value of $4^{10} \times 8^{20}$? Express your answer in the form $a^b$, where $a$ and $b$ are positive integers such that $a$ is the least possible positive integer.
+592 4 = 22 and 8 = 23
410 = (22)10 = 220
820 = (23)20 = 260
220 x 260 = 2(20 + 60) = 280, which is your answer :)
