Question

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

Answer 1

hmmm i am getting a huge number
do u have the answer by any chance?

Answer 2

A. 71
B. 392
C. 35,456,231
D. 626,349,395

Answer 3

7+4(7)+4^2(7)+4^3(7)+4^4(7)+...4^13(7)
Looks like the sum of a geometric sequence whose first term is 7, common ratio is 4 and number of terms is 14

Answer 4

thank you

Answer 5

hmm is not an exponential growth equation?

Answer 6

its a geometric series question

Answer 7

hahha ok that is y i was having a difficult time :D

Answer 8

okay (: