Question

Suppose you place bacterium in a jar. Each bacterium divides into 2 bacterium every hour. How many bacteria are in the jar after 7 hours?

Answer 1

use geometric sequence

Answer 2

here you have b1=1 and q=2

Answer 3

hour bacteria
1 2
2 4
3 8
4 16
5 32

Answer 4

We know how many bacterium there was to begin with?

Answer 5

i think "bacterium" is the singular of bacteria

Answer 6

but i wouldn't bet money on it

Answer 7

I know bacterium is singular by the way.

Answer 8

Is it 128?

Answer 9

yes

Answer 10

@satellite73, you can't solve it by hand when you faced up with greater numbers

Answer 11

i can do it on my fingers

Answer 12

i see

Answer 13

two
four
eight
sixteen
thirty two
sixty four
one twenty eight
two fifty six
five twelve
a gig

Answer 14

they told me i would never need all five twelve megs

Answer 15

I think sometimes people who write questions have a particular idea in mind, but they may not think about how the question might be perceived by others.