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受欢迎的 Word Problems >

Russell opened a savings account and deposited 4,000.00 as principal. The account earns 10% interest, compounded monthly. What is the balance after 7 years?

解答

R u sse ll o p e n e d a s a v in g s a cco u n t an d d e p os i t e d 4, 000.00 a s p r in c i p a l . T h e a cco u n t e a r n s 10% in t eres t, co m p o u n d e d m o n t h l y . Wha t i s t h e ba l an ce a f t er 7 ye a rs ?

解答

Amount : 8031.68

求解步骤

Translate the problem into an equation:

A = 4000 (1 + \frac{0.1}{12})^{12 \cdot 7}

4000 (1 + \frac{0.1}{12})^{12 \cdot 7} = 8031.68061 \dots

Round to the nearest hundredth:

8031.68

Amount : 8031.68

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