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umka21 [38]
3 years ago
11

What is 8x8x8x8x8x8x8 using an exponent

Mathematics
2 answers:
mario62 [17]3 years ago
4 0

The exponent would be the number of times a number is listed.

There are 7 8's in the problem listed, so the exponent would be 7.

The problem would be written as 8^7

otez555 [7]3 years ago
3 0
8 to the 7th power:)
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According to records, the amount of precipitation in a certain city on a November day has a mean of inches, with a standard devi
Mekhanik [1.2K]

Answer:

The probability that the mean daily precipitation will be of X inches or less for a random sample of n November days is the p-value of Z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}, in which \mu is mean amount of inches of rain and \sigma is the standard deviation.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Mean \mu, standard deviation \sigma

n days:

This means that s = \frac{\sigma}{\sqrt{n}}

Applying the Central Limit Theorem to the z-score formula.

Z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

What is the probability that the mean daily precipitation will be of X inches or less for a random sample of November days?

The probability that the mean daily precipitation will be of X inches or less for a random sample of n November days is the p-value of Z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}, in which \mu is mean amount of inches of rain and \sigma is the standard deviation.

5 0
2 years ago
If a right triangle has a hypotenuse of 12 cm and one leg that measures 9 cm, find the length of the other leg.
otez555 [7]
By Pythagoras Theorem,
the length of the other leg= (12^2-9^2)^1/2
hope this helps
6 0
3 years ago
What’s p + 18 = 18 ?? I just want to make sure my answer is right.
blsea [12.9K]

Answer: 0

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
the media center at josh's school has a computer area. the first 4 rows have 6 computers each. the fifth row has 4 computers.how
e-lub [12.9K]
4 first rows have 6 
5th row has 4
there are 28 computers

6 0
3 years ago
Read 2 more answers
How do I solve 3/10+2.125 <br> Converted into fractions
ahrayia [7]

Answer:

97/40

Step-by-step explanation:

so 2.125= 17/8

3/10+17/8 need to find common denominator so

times 8/8 to 3/10

times 10/10 to 17/8

24/80+170/80= 194/80 (common denominator so can add)

divide 194/80 because want reduce form

97/40 is the answer

(When i look at it now i can just time 4/4 and 5/5 but its ok this still gets the answer)

3 0
3 years ago
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