Question

Medal
Roberto has been studying a type of bacteria that doubles every month. Originally, there were 3 bacterial cells. He wants to know how many there will be after 43 months. Which equation should he use?

Answer 1

a43 = 3(2)(43)
a43 = 3(2)^43
a43 = 3(2)(43 − 1)
a43 = 3(2)^43 − 1

Answer 2

those are the answer choices

Answer 3

what do you think?

Answer 4

first one

Answer 5

well you start off with 3
and it DOUBLES every month
doubles=2 and there are 43 months

Answer 6

how many will there be after 1 month?

Answer 7

that means its the 3rd choice

Answer 8

dont guess..

Answer 9

its the 2nd choice

Answer 10

correct

Answer 11

it doubles every month so 2^43

Answer 12

and then multiply that by 3 to find how many total bacteria there were

Answer 13

8.80 e 12

Answer 14

you dont need to find that out lol

Answer 15

oops