Question

Help plz
Find each balance
1)$495 at 4% compounded annually for 2 years
2)$2,000 at 2% compounded semiannually for 2 years.
3) $1,280 at 3% compounded annually for 3 years
4)$15,600 at 3% compounded semiannually for 3 years

Answer 1

The required formula is
C=p(1+r)^n

Answer 2

Here
C=compounded balance
P=principal amount
r=rate of interest
n=year

Answer 3

Right?

Answer 4

So no need to explain more?