How many days does it take to run a loop 2⁵⁰ times on a computer with speed 10^-9 per step if the number of steps in the loop is 10.

How many years does it take to run a loop 25! times on a computer with speed 10^-9 per step if the number of steps in the loop is 10.

What is the largest n such that going through a 10-step loop 2ⁿ times on a computer with speed 10^-9 per step completes in under 1 day.