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 3 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?
 3 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?

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lilg132
 3 years ago
Best ResponseYou've already chosen the best response.159 weeds in the park at the end of 14 days

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

mia0bbb
 3 years ago
Best ResponseYou've already chosen the best response.0because 7 x 4 x 14 = 392

lilg132
 3 years ago
Best ResponseYou've already chosen the best response.1oh wait we need to work out the sum

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

lilg132
 3 years ago
Best ResponseYou've already chosen the best response.1i'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

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

lilg132
 3 years ago
Best ResponseYou've already chosen the best response.1your welcome i will try and look for the formula for you

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

lilg132
 3 years ago
Best ResponseYou've already chosen the best response.1thats what i was looking for :)
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