You have a new 10-day workout routine. You want to do 10 sets of 10 sit-ups each day. Which expression shows the total number of sit-u

You have a new 10-day workout routine. You want to do 10 sets of 10 sit-ups each day.
Which expression shows the total number of sit-ups you do in 10 days?
1.)10^3
2.)10+10+10
3.)10^2
4.)3×10