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3 years ago

How does the product of powers law apply to finding the power of a power?

1 answer:

7 0

The product of powers tells us about that multiplying the powers with the same number you have simply have to add the exponents,

for example;

=6^3 * 6^3

=6^3 *6^3 (^3+^3) we are just adding the exponents even thou the operation is multiplication.

= 36^6

The power of power tells us about multiplying both the expression including the exponents. Power rule tells us that a power to a power, just multiply the exponents.

for example;

=6^3 * 6^3

=6^3 * 6^3 (^3*^3) we are multiplying both of the expression

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teachers for several classes and a district are told to use a new method for teaching reading while all the other classes use tr

OLEGan [10]

The <u>correct answer</u> is:

Experiment

Explanation:

In an experiment, one group is given a treatment while at least one other group is not. After the treatment is finished, the results of the group that receive the treatment are compared with the results of the group (or groups) that do not receive the treatment, to determine if the treatment had any effect on the group.

In this problem, the different groups are the classes. Some classes use the new method, which is the treatment, while other classes do not. At the end of the year, the reading results of each class are compared to see if the treatment (new method) had any effect.

3 0

3 years ago

Read 2 more answers

What is the equation of a line with a slope of -1/2 and passes through the point (6,-6)

Studentka2010 [4]

Y = mx + b
slope(m) = -1/2
(6,-6)....x = 6 and y = -6
now we sub into the formula and find b, the y int
-6 = -1/2(6) + b
-6 = - 3 + b
-6 + 3 = b
-3 = b

so ur equation is : y = -1/2x - 3 <==

4 0

3 years ago

PLZ Help Victoria used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are sh

zmey [24]

the probability of getting tails up is 30/50 or most likely

the probability of getting a blue marble is 18/5 or least likely

5 0

3 years ago

Suppose that the population of the scores of all high school seniors who took the SAT Math (SAT-M) test this year follows a Norm

Vlad1618 [11]

Answer:

Confidence = $1-\alpha=1-0.01=0.99$

And then the confidence level would be given by 99%

Step-by-step explanation:

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Assuming the X follows a normal distribution

$X \sim N(\mu, \sigma)$

The distribution for the sample mean is given by:

$\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})$

$\bar x =512$ represent the sample mean

$\sigma=100$ represent the population standard deviation

n= 100 sample size selected.

The confidence interval is given by this formula:

$\bar X \pm z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$ (1)

The marginof error for this case is given by Me=25.76. And we know that the formula for the margin of error is given by:

$Me=z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$

$25.76=z_{\alpha/2} \frac{100}{\sqrt{100}}$

And we can find the critical value $z_{\alpha/2}$ like this:

$z_{\alpha/2}=\frac{25.76(\sqrt{100})}{100}=2.576$

And we know that on the right tail of the z score =2.576 we have $\alpha/2$ of the total area. We can find the area on the right of the z score using this excel code:

"=1-NORM.DIST(2.576,0,1,TRUE)" or using a table of the normal standard distribution, and we got 0.004998= $\alpha/2$ , so then $\alpha=0.00498*2=0.009995 \approx 0.01$ , and then we can find the confidence like this:

Confidence = $1-\alpha=1-0.01=0.99$

And then the confidence level would be given by 99%

8 0

3 years ago

A box has four cards numbered 1, 2, 3, and 4

lora16 [44]

Sample space: H1, H2, H3, H4, T1, T2, T3, T4
All outcomes if the card is three: H3, T3
I was unclear about the last two parts of the question.

6 0

3 years ago