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At the end of the first day, 7 weeds appear in your neighborhood park. Each day, the number of weeds increases by four times. How many weeds will be in the park at the end of 14 days?
 2 years ago
 2 years ago
At the end of the first day, 7 weeds appear in your neighborhood park. Each day, the number of weeds increases by four times. How many weeds will be in the park at the end of 14 days?
 2 years ago
 2 years ago

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lilg132Best ResponseYou've already chosen the best response.1
59 weeds in the park at the end of 14 days
 2 years ago

dannielleBest ResponseYou've already chosen the best response.0
it cant be, the answer choices are 71 626,349,395 392 35,456,231
 2 years ago

mia0bbbBest ResponseYou've already chosen the best response.0
because 7 x 4 x 14 = 392
 2 years ago

lilg132Best ResponseYou've already chosen the best response.1
oh wait we need to work out the sum
 2 years ago

dannielleBest ResponseYou've already chosen the best response.0
yeah, but im feeling there is a formula to it or something, my teacher wouldnt make it that easy
 2 years ago

lilg132Best ResponseYou've already chosen the best response.1
i'm not sure of the formula but what i do know is we have 7 weeds on the first day and it multiplies by 4 each day and you do it 14 times and add all the figures up giving you 626349395
 2 years ago

dannielleBest ResponseYou've already chosen the best response.0
alright, that does make sense, thank you !
 2 years ago

lilg132Best ResponseYou've already chosen the best response.1
your welcome i will try and look for the formula for you
 2 years ago

mathmateBest ResponseYou've already chosen the best response.2
Use the compound interest formula: 7(4^141)/(41)=626349395 which is equivalent to 7(1+4+4^2+...4^13)
 2 years ago

lilg132Best ResponseYou've already chosen the best response.1
thats what i was looking for :)
 2 years ago
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