Question

ima give a medal...help..



A certain bacteria doubles the number of its cells every 20 min. A scientist puts 50 cells in a culture dish. How many cells will be in the culture dish after 2 h?
a.
1,600 cells
c.
2,800 cells
b.
4,600 cells
d.
3,200 cells

Answer 1

After 20 min = 50 x 2
After 40 min = 50 x 2 x 2
After 60 min = 50 x 2 x 2 x 2
After 80 min = 50 x 2 x 2 x 2 x 2
After 100 min = 50x2x2x2x2x2
After 120 min = 50x2x2x2x2x2x2 = 3200

Answer 2

dang, i didnt even try it thay way thanks for showin me

Answer 3

that*