Answer:
2+2=4-2=2
so ur answer is 2
Have a good no great day and stay safe!!!1
A bacteria culture starts with 500 bacteria and doubles in size every half hour.1
(a) How many bacteria are there after 3 hours?
We are told “. . . doubles in size every half hour.” Let’s make a table of the time and population:
t 0 0.5 1.0 1.5 2.0 2.5 3.0
bacteria 500 1000 2000 4000 8000 16000 32000
Thus, after three hours, the population of bacteria is 32,000.
(b) How many bacteria are there after t hours?
In t hours, there are 2t doubling periods. (For example, after 4 hours, the population has doubled 8
times.) The initial value is 500, so the population P at time t is given by
P(t) = 500 · 2
2t
Store B has the lowest price.
Store A
2lb = $8.44
1lb = $4.22
0.5lb = $2.11
(1lb + 0.5lb) 4.22 + 2.11 = 6.33
1.5lb = $6.33
Store B
1.5lb = $5.85
2 and 2.5 gg g g h g I j j j
