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3 years ago

What is exponential form???

Mathematics

2 answers:

Alexandra [31]3 years ago

8 0

Answer:

exponential form is a expression that includes an exponent

Step-by-step explanation:

for example

7 with the exponent or base of 2 would be 7×7 which is equal to 49

Mkey [24]3 years ago

4 0

Answer:

Numeric form involving exponents

Step-by-step explanation:

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3 years ago

Ahmed found the volume of a cone having both a height and a diameter of 6 centimeters. His work is shown below. Step 1 Find the

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3 years ago

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How many 10 kobo coins are there in #9.90?

baherus [9]

Answer:

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4 0

2 years ago

A sample was taken of the salaries of four employees from a large company. the following are their salaries, in thousands of dol

Free_Kalibri [48]

For given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

The formula for the variance is,

$S^2=\frac{\sum (x_i - \bar{x})^2}{n-1}$

where,

$S^2$ = sample variance

$x_i$ = the value of the one observation

$\bar{x}$ = the mean value of all observations

n = the number of observations

For given question,

n = 4

First we find the mean of their salaries.

(33 + 31 + 24 + 36 ) / 4 = 31

So, $\bar{x}=31$

Using the formula for variance ,

$S^2=\frac{(33-31)^2}{4-1}+\frac{(31-31)^2}{4-1}+\frac{(24-31)^2}{4-1}+\frac{(36-31)^2}{4-1}\\\\ S^2=\frac{4}{3} + \frac{0}{3} + \frac{49}{3} + \frac{25}{3} \\\\S^2= \frac{4+49+25}{3}\\\\S^2=\frac{78}{3} \\\\S^2=26$

Therefore, for given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

Learn more about the variance here:

brainly.com/question/13673183

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7 0

2 years ago

Place the grouping symbols to make this equation true. 84-48/8-4=72

vlabodo [156]

84-6-4=72
48/4=12. 84-12= 72
84 - (48/(8-4)) = 84 - (48/4) -4 = 72
84 - 12 = 72

4 0

3 years ago