This problem is about componded interest. The formula for compounded interest is:

In this case, Initial = 300, r = 0.06 and t=10 so the total amount in the account after 10 years is:

The amount after 10 years is 573.26.
660 is the correct answer. Hope this helped!
-TTL
Are you looking for the equation.. V=bh?
It is 3 cause i got it wrong and that was the right anser
I think it is B, but I'm not fully sure.