Respuesta :

The formula is
A=p (1+r/k)^kt
A future value?
P present value 120
R interest rate 0.06
K compounded monthly 12
T time 21 years
A=120×(1+0.06÷12)^(12×21)
A=421.72

Hope it helps!

Answer: 421.72

Step-by-step explanation:

A P E X