Asked by Anonymous

A colony of bacteria is made up of (5) cells. Asuuming that no cells die and that every cell divides, how many cells will there be in the colony after four divisions?

a 20
b 80
c 160
d 625

I'm thinking its b.

Answers

Answered by DrBob222
I think 1 cell divided 5 times is
2<sup>5</sup> = ??
Then 5 times that for 5 cells.
Answered by Numb3rs
^ no, in the exercise it's 4 divisions so it must be 2^4
then multiple to 5
Answered by Mya
So every time you divide the number before is multiplied by two. So you multiply by two for every example.

5*2*2*2*2

Which would become
5*2^4
=80
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