math b50

must answered in sequences/series formulas

If the profit earned by a company is $100 in the first year, and doubles each year such that the profit earned in the second year is $200, $400 in the third year and so on. Find the total profit earned by the company in 15 years of operation.

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asked by sheri
  1. i have figured out on my calculator what the answer is but the answer wont work when i use a formula.. HELP

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    posted by sheri
  2. WIth first term of 100, common factor of 2 and number of years n = 15,
    S = 100(2^15 - 1)/(2 - 1) =

    or (100+200+400+800+16oo+3200+6400+12800+25600+51200+102400+204800+409800+819200+1638400)100 =

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  3. 1500

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