a particular strain of bacteria doubles in population every 10 minutes. Assuming you start with a single bacterium in a petri dish, how many bacteria will there be in 2.5 hours? A. 16,384 B. 65,536 C. 32,768 D. 9536

32768

Step-by-step explanation:

The formula for exponential growth is

y = a b^x  where a is the initial value and b is the growth rate and x is the number of times

a = 1

b = 2 since we are doubling

To find x we take the amount of time we have 2.5 hours = 2.5 *60 = 150 minutes  divided by the 10 minute doubling time

150/10 = 15 times

y = 1 * 2^ 15

y =32768

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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