题目信息
If A is the initial amount put into an account, R is the annual percentage of interest written as a decimal, and the interest compounds annually, then which of the following would be an expression, in terms of A and R, for the interest accrued in three years?
A:$$A(R)^{3}$$
B:$$A(R+R^{3})$$
C:$$A(3R+3R^{2}+R^{3})$$
D:$$3A(R)^{3}$$
E:$$3A(R+R^{2}+R^{3})$$
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正确答案：
C:$$A(3R+3R^{2}+R^{3})$$
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