Evaluate the expression 4^x/2^x when x=3

Mathematics

1 answer:

Zigmanuir [339]3 years ago

6 0

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

The area of a window is 336 square inches if the window is 16 inches wide how long is the window

Ksenya-84 [330]

The formula for area is base times height, or height x width
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3 years ago

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A music buff wants to estimate the percentage of students at a midwestern university who believe that elvis is still alive. how

gulaghasi [49]

Since we are not given any information about the proportion, we will assume the sample proportion to be 0.50

so,
p = 0.50
The Error is 10% percentage point. This means that on either side of the population proportion the error is 5% so E = 0.05
z = 1.645 (Z value for 90% confidence interval)

The margin of error for population proportion is calculated as:

$E=z* \sqrt{ \frac{p(1-p)}{n} } \\ \\ 
 \frac{E}{z} = \sqrt{ \frac{p(1-p)}{n} } \\ \\ 
( \frac{E}{z} )^{2}= \frac{p(1-p)}{n} \\ \\ 
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3 years ago

Each child in the Martin family decided to save money for the family vacation.

irinina [24]

Answer:

The story is not clear enough to provide the answer

Step-by-step explanation:

First of all we do not know how many childen are in the Martin Family

$20 \times 8$