What is 10 to the second power?

Mathematics

2 answers:

never [62]3 years ago

5 0

Answer: 100

Step-by-step explanation: The problem shown here is read as 10 to the second power or 10 squared.

The 10 is called the base and the 2 is called the exponent. The exponent of 2 tells us that we multiply our base 2 times.

So 10² is equal to 10 × 10 or 100.

allochka39001 [22]3 years ago

3 0

It would be 10x10 =100 or in other word 10 times itself. Also known as 10 with the 2 hanging over the 10.

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3241004551 [841]

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3 years ago

Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviatio

Bond [772]

Answer:

The percentage of students who scored below 620 is 93.32%.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore 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 pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

$\mu = 500, \sigma = 80$