The number of bacteria in a culture is increasing according to the law of exponential growth. After 2 hours, there are 100 bactería, and after 4 hours, there are 400 bacteria. How many bacteria will there be after 6 hours?

the answer is: the length is 5/6 yards.

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(x+3)(x+7)

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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