A culture started with 1000 bacteria. After 2 hours, it grew to 1200 bacteria. Predict how many bacteria will be present after 13 hours. Round your answer to the nearest whole number.

I believe the answer is 2100 bacteria.

Step-by-step explanation:

13 - 2 = 11

11 ÷ 2 = 5.5

Since it grew 200 more bacteria in 2 hours then we must multiply 200 by 5.5.

200 x 5.5 = 1100

1000 + 1100 = 2100

Therefore, after 13 hours, there will be 2100 present bacteria.

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is: