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Kay [80]
3 years ago
12

5. At the beginning of an experiment, there are ten bacterial cells in Petri Dish A and five bacterial cells in Petri Dish B. Th

e number of bacterial cells
o in Dish A after h hours can be modeled with the equation a - 10(125)". The number of bacterial cells bin Dish B after h hours can be modeled
with the equation b - 5(25)" Based on this information, which of the following statements is true?
After one hour, the number of bacterial cells in Dish Ais equal to the number in Dish B
After one hour, the number of bacterial cells in Dish A is greater than the number in Dish B
After one hour the number of bacterial cells in Dish A is less than the number in Dish B.
After ten hours, there are approximately 125 bacterial cells in Dish A
After ten hours, there are approximately 50,000 bacterial cells in Dish B.

Mathematics
2 answers:
klasskru [66]3 years ago
8 0
It’s going to be the 3rd one
stira [4]3 years ago
6 0
It’s either the 3rd
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A condominium building has 25 condo units. Each unit has 5 windows. Ryder said that there are 125 windows altogether.
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3 0
3 years ago
John had $50 to spend at the mall. He purchased a shirt for $17.50, a pair of pants for $24.99, and a belt for $6.99. John used
Natasha2012 [34]

Answer:

John has 2 dollars and 46 cents left after his purchases.

Step-by-step explanation:

50 - 17.50 = 32.50

32.50 - 24.99 = 7.51

7.51 - 6.99 = 0.52

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5 0
3 years ago
It turns out that (0.125)^3 can be written as 2^a for some integer a. Find a.
Ann [662]

Answer:

a=-9

Step-by-step explanation:

We begin with (0.125)^3

First, we can convert this decimal into a fraction

(\frac{1}{8} )^3

Now, we can simplify the denominator of the fraction

(\frac{1}{2^{3} } )^3

Next, we can remove the fraction by rewriting the fraction with a negative power.

(2^{-3} )^3

Lastly, we can remove the parenthesis by multiplying the powers together.

2^{-9}

This means that a=-9

4 0
3 years ago
What is the exponent in the expression?
vlabodo [156]

Answer:

The exponent is 5 because a exponent is what the number times itself like 3^2 is 9.

8 0
2 years ago
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