Question

what is the forumal for compound interest?

Answer 1

P is the principal (the money you start with, your first deposit)
r is the annual rate of interest as a decimal (5% means r = 0.05)

n is the number of years you leave it on deposit

A is how much money you've accumulated after n years, including interest.

If the interest is compounded once a year:

A = P(1 + r)n

If the interest is compounded q times a year:

A = P(1 + r/q)nq

Answer 2

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Answer 3

Being smart and answering fast is my best friend.

Answer 4

formaula for compound interest= compound amount-principal
compound amount = Principal x {100-rate of interest/100}^2