请教一道题,计算future value
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Kenyan deposit 40 dollars into the saving account every week. The market rate of interest is j52 = 10%. How much will Kenyan have at the end of one year if he deposits his earnings into a savings account (earning j52 = 10%) at the end of each week? [/font][font=CGTimes]
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[font=CGTimes]以前做过的,现在忘记了,求formula 求答案,感谢![/font][/td][/tr][/table]