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kap26 [50]
3 years ago
11

Find the quotient. Write your answer in scientific notation (3.6×107)÷(7.2×107)

Mathematics
1 answer:
Leokris [45]3 years ago
7 0
The answer is 2 or 0.5-because you have to multiply 3.6 to 107 then that will 385.2 and then 7.2 multiply 107 equal to 770.4.Divide all together it will give you
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In Applied Life Data Analysis (Wiley, 1982), Wayne Nelson presents the breakdown time of an insulating fluid between electrodes
ale4655 [162]

Answer:

The sample mean is \bar{x}=14.371 min.

The sample standard deviation is \sigma = 18.889 min.

Step-by-step explanation:

We have the following data set:

\begin{array}{cccccccc}0.15&0.82&0.81&1.44&2.70&3.28&4.00&4.70\\4.96&6.49&7.25&8.03&8.40&12.15&31.89&32.47\\33.79&36.80&72.92&&&&&\end{array}

The mean of a data set is commonly known as the average. You find the mean by taking the sum of all the data values and dividing that sum by the total number of data values.

The formula for the mean of a sample is

\bar{x} = \frac{{\sum}x}{n}

where, n is the number of values in the data set.

\bar{x}=\frac{0.15+0.82+0.81+1.44+2.7+3.28+4+4.7+4.96+6.49+7.25+8.03+8.4+12.15+31.89+32.47+33.79+36.80+72.92}{19}\\\\\bar{x}=14.371

The standard deviation measures how close the set of data is to the mean value of the data set. If data set have high standard deviation than the values are spread out very much. If data set have small standard deviation the data points are very close to the mean.

To find standard deviation we use the following formula

\sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{x}\right)^2 }}{n-1} }

The mean of a sample is  \bar{x}=14.371.

Create the below table.

Find the sum of numbers in the last column to get.

\sum{\left(x_i - \overline{X}\right)^2} = 6422.0982

\sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{x}\right)^2 }}{n-1} }       = \sqrt{ \frac{ 6422.0982 }{ 19 - 1} } \approx 18.889

7 0
3 years ago
2X- 10 =30 solve for X
Kazeer [188]
2x - 10 = 30
2x = 40
x = 20
5 0
3 years ago
Read 2 more answers
What the square root of 900 show work plz
Burka [1]
Its 30 because 30×30=900
3 0
3 years ago
Read 2 more answers
Plz help me!! 2 questions!!!
hammer [34]

Answer: 15 is the answer i got this right on my work

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (-3, 2)
qwelly [4]
2y = 12 - 5x
y = 6 - 5/2x

2 = -5/2(-3) + b
2 = 15/2 + b
2 - 15/2 = b
b = -11/2

y = 15/2x - 11/2
7 0
3 years ago
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