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3 years ago

How many times do you need to divide by ten to get from 940.0 to 9.400

Mathematics

2 answers:

Gnesinka [82]3 years ago

8 0

Twice. Dividing by ten will move the decimal point one place to the left. Rather than dividing by ten twice, you can divide by 100 once.

andrey2020 [161]3 years ago

3 0

<h3><u>Answer: </u><u>2 times</u></h3>

Step-by-step explanation: Dividing decimals is the same concept as moving the decimal to the left. In this case, all you need to do is count how many digits to the left the decimal moved from 940.0 to 9.400:

(View image below)

As you can see, we had to move the decimal 2 places to the left to get to 9.400. So, you need to divide by ten 2 times to get from 940.0 to 9.400.

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Marysya12 [62]

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3 years ago

Write the slope-intercept form of the equation through (4, 2) perpendicular to LaTeX: y=4x-4

marin [14]

Answer:

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since perpendicular,

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y-y1=m2(x-x1)

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Step-by-step explanation:

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3 years ago

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nikdorinn [45]

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2 years ago

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kaheart [24]

Answer:

Step-by-step explanation:

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3 years ago

The number of E.coli bacteria cells in a pond of stagnant water can be represented by the function below, where A represents the

liq [111]

Answer:

<u>Option B. 59%</u>

Explanation:

The function that represents the number of E.coli bacteria cells per 100 mL of water as the time t years elapses is:

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The base, 1.123, represents the multiplicative constant rate of change of the function, so you just must substitute 1 for t in the power part of the function:

$rate=(1.123)^{4t}=(1.123)^4=1.590$

Then, the multiplicative rate of change is 1.590, which means that every year the number of E.coli bacteria cells per 100 mL of water increases by a factor of 1.590, and that is 1.59 - 1 = 0.590 or 59% increase.

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3 years ago