Hi.
For this, you do:
4% of 7500 = 300
He is given $300 per year, for two years.
1st year= 7500+300= 7800
2nd year= 7800+300= 8100
answer= $8100
Hope this helps:)
Just square it normally then at the end put that number under a 1. So make 1 divded by ____
for example
3^-3=1/9