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3 years ago

Write the number 570,000 in scientific notation.

Mathematics

2 answers:

yan [13]3 years ago

6 0

Answer: 5.7 to the 5th power (7.5^5)

Step-by-step explanation: I hope this helps :)

Diano4ka-milaya [45]3 years ago

3 0

Answer:

5.7 x 10 after the ten there is a five on the the top right corner of the 10

Step-by-step explanation:

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estimate the number of first-year students at an assembly meeting. He surveys 60 students and finds that 24 of them are first-ye

bogdanovich [222]

Answer:

The values needed to calculate a confidence interval at the 95% confidence level are $z = 1.96, n = 60, \pi = \frac{24}{60} = 0.4$

The 95% confidence interval for the proportion of first-year students at an assembly meeting is (0.276, 0.524).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

$n = 60, \pi = \frac{24}{60} = 0.4$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The values needed to calculate a confidence interval at the 95% confidence level are $z = 1.96, n = 60, \pi = \frac{24}{60} = 0.4$

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4 - 1.96\sqrt{\frac{0.4*0.6}{60}} = 0.276$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4 + 1.96\sqrt{\frac{0.4*0.6}{60}} = 0.524$

The 95% confidence interval for the proportion of first-year students at an assembly meeting is (0.276, 0.524).

6 0

3 years ago

Help my please please

oksian1 [2.3K]

Answer:

Rectangle:6+5=11(Odd)

Triangle:6+6=12(even)

Star:4+3=7(odd)

Pentagon:9+8=17(odd)

Hexagon:6+6+12(even)

Circle:4+4=8(even)

Step-by-step explanation:

Hope this helps:)

4 0

3 years ago

Read 2 more answers

Benito spent $1761 to operate his car last year. Some of these expenses are listed below. Benito's only other expense was for ga

Serggg [28]

The averge per mile is 4.06

8 0

3 years ago

HELPPPPPPPPPPPPPPPPPPP

andre [41]

Answer:

The answer to your question is - 8

Step-by-step explanation:

Data

(3 - 4) 2 * 5 + (4 - 1) 2/3

The order of operations is

1st Parenthesis

2nd Roots and exponents

3rd Multiplication and division

4rd Addition and subtraction

Following these rules

Parenthesis (-1) 2* 5 + (3) 2/3

Multiplication and division - 10 + (6/3)

- 10 + 2

Addition and subtraction - 8

7 0

3 years ago

The domain of the functions in interval notation is?

sammy [17]

Answer:

the range of a function

Step-by-step explanation:

7 0

4 years ago