Question 16
Find the last digit of the product of twenty factors equal to 2 and twenty-four factors equal to 3: $\underbrace{2\times2\times\cdots\times2}_{20\text{ factors}}\times\underbrace{3\times3\times\cdots\times3}_{24\text{ factors}}$.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.