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3 years ago

The Earth is 1.49 × 108 kilometers from the Sun, multiply this expression by the given power of 10.

Mathematics

1 answer:

soldier1979 [14.2K]3 years ago

7 0

1.49 × 10^8

*just move the decimal point 8 places to the right.

149,000,000

hope this helps :)

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One of the questions in the Pew Internet & American Life Project asked adults if they used the Internet, at least occasional

Marizza181 [45]

Answer:

Part (a) The point estimate of the proportion of adults aged 18 to 29 who use the Internet is 0.9498.

Part (b) The point estimate of the proportion of adults aged 30 to 49 who use the Internet is 0.8896.

Part (b) Estimate of the proportion of population who use the Internet is 0.7624.

Step-by-step explanation:

Consider the provided information.

Part (a) point estimate of the proportion of adults aged 18 – 29 who use the Internet

The results showed that 454 out of 478 adults aged 18-29 answered yes;

$\hat p=\frac{454}{478}=0.9498$

The point estimate of the proportion of adults aged 18 to 29 who use the Internet is 0.9498.

Part (b) Develop a point estimate of the proportion of adults aged 30-49

741 out of 833 adults aged 30-49 answered yes;

$\hat p=\frac{741}{833}=0.8896$

The point estimate of the proportion of adults aged 30 to 49 who use the Internet is 0.8896.

Part (c) Suppose your target population of interest is that of all adults (18 years of age and over). Develop an estimate of the proportion of that population who use the Internet.

$\hat p=\frac{454+741+1058}{478+833+1644}$

$\hat p=\frac{2253}{2955}=0.7624$

Estimate of the proportion of population who use the Internet is 0.7624.

7 0

3 years ago

In the number 1934 is a value of 9 in 100 place 10 times the value of the 3 in the tens place

dybincka [34]

no because mathematically 30X10=300 not 900 its would have to be 30X30 to get the product of 900 so therefore no your statement is incorrect

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2 years ago

15 Points!<br><br> Find f(x) and g(x) so that the function can be described as y = f(g(x)).

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A suitable calculator can row-reduce the augmented matrix.

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second number: 1
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ser-zykov [4K]

Answer:

Where is the numbers dude? LOL

Step-by-step explanation:

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2 years ago