What is the value of any number raised to the power of zero?

Mathematics

2 answers:

Mars2501 [29]3 years ago

8 0

Answer:

Any non-zero number raised to the power of zero is equal to one. Zero raised to the power of zero is equal to zero.

Step-by-step explanation:

This is one way to think about it

Remember the exponent law where $a^{m} * a^{n} = a^{m+n}$ . Therefore, I can create the equation $5^{0}$ and expand it to $5^{1} * 5^{-1}$ . When calculating this, I get 5*(1/5), which is 1.

This is true for any non-zero number.

mestny [16]3 years ago

5 0

Hey There,

Your answer is:

Any number raised to the power of zero is 1

Best Of Luck,

- Kai -

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The number of text messsages that teenagers send per month is normally

ki77a [65]

Answer:

$z=\frac{4415-3400}{450}=2.26$

And the explanation of this number is:"The number of text messages for Kendra it's 2.26 deviations above the mean"

Step-by-step explanation:

1) Previous concepts

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".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

2) Calculate the z score

Let X the random variable that represent the number of text messages per month, and for this case we know the distribution for X is given by:

$X \sim N(3400,450)$