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rusak2 [61]
3 years ago
11

Find the quotient. (3.683 × 104) (7.51 × 1012) What is the solution in scientific notation?

Mathematics
2 answers:
olasank [31]3 years ago
6 0

Answer:

B

Step-by-step explanation:

\frac{3.683 \times 10^4}{7.51 \times 10^{12}} \\=\frac{36.83 \times 10^3}{7.51 \times 10^{12}} \\=\frac{36.83}{7.51} \times 10^{3-12}\\ \approx 4.9041 \times 10^{-9}

erik [133]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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5 0
3 years ago
In a sample of 115 115 curtains, the average length was found to be 32.2in. 32.2 ⁢ in. With a standard deviation of 0.8 0.8 . Gi
pentagon [3]

Answer:

The point estimate for the population standard deviation of the length of the curtains is 8.58in.

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.

In this problem, we have that:

s = 0.8, n = 115

The point estimate for the population standard deviation of the length of the curtains is \sigma. So

s = \frac{\sigma}{\sqrt{n}}

\sigma = s\sqrt{n}

\sigma = 0.8\sqrt{115}

\sigma = 8.58

The point estimate for the population standard deviation of the length of the curtains is 8.58in.

3 0
3 years ago
Rewrite without parentheses. (3y^5z^4-7y^3)(-5yz^6) simplify your answer as much as possible.
Lubov Fominskaja [6]

Answer:

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Step-by-step explanation:

used an equation calculator

7 0
3 years ago
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Natalija [7]

I can't see the problem

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3 years ago
What number must you add to complete the square? x2 + 22x = 9
Olegator [25]
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answer

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3 0
3 years ago
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