salemreese10
Answered

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PLEASE HELP SERIOUSLYI WILL GIVE BRAINLEST AND 100 POINTS JUST ANSWER AND IT HAS TO BE RIGHT OR ELSE...



A culture is tested for bacteria and has 3.3 million bacteria. The culture is then tested every 10 minutes and each time it is tested there are 2.5 times more bacteria.

How many bacteria in millions will there be in the culture after 30 minutes?

Round to the nearest hundredth.


8.25

75.00

51.56

115.00

Sagot :

mhanifa

Answer:

  • C. 51.56 million

Step-by-step explanation:

  • Initial number of bacteria = 3.3 million
  • Growth rate = 2.5 times per 10 minutes
  • Time = 30 minutes = 3*10 minutes

Number of bacteria after 30 minutes:

  • 3.3*2.5³ = 51.5625

Correct choice is C

Answer:

after 10 minute total bacteria=2.5×3.3=8.25 millions

in 1 minute total bacteria=2.5×3.3/10 =0.825millions

in 30 minute total bacteria=30×2.5×3.3/10 millions=24.75million is your answer.but i did not get any match.

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