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Mekhanik [1.2K]
3 years ago
9

What is 0.04 written in scientific notation

Mathematics
2 answers:
tangare [24]3 years ago
6 0

Answer: 4 × 10^-2

Step-by-step explanation:

Alinara [238K]3 years ago
4 0

Answer:

4 x 10^-2

Step-by-step explanation:

So the number is written in two parts:

Just the digits (with the decimal point placed after the first digit), followed by

× 10 to a power that puts the decimal point where it should be. In this case you would move the decimal two places back by multiplying it to the negative second power. I hope that helps! :D

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3 years ago
The Office of Student Services at UNC would like to estimate the proportion of UNC's 28,500 students who are foreign students. I
ANEK [815]

Answer:

For the sampling distribution of the sample proportion for a sample of size 50, the mean is 0.061 and the standard deviation is 0.034.

Step-by-step explanation:

The Central Limit Theorem estabilishes 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.

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For the sampling distribution of the sample proportion for a sample of size 50, the mean is 0.061 and the standard deviation is 0.034.

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