2 years ago

What is 2,443,805,567 rounded to the nearest hundred

Mathematics

1 answer:

n200080 [17]2 years ago

3 0

Answer:

2,443,805,600

Step-by-step explanation:

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Standard form of y=7x+10

Ugo [173]

Answer: 7x-y=10

Step-by-step explanation:

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2 years ago

In a survey, 30% of those questioned chose autumn as their favorite season. If 27 people chose autumn, then how many people were

makkiz [27]

90 people!

27/90=0.3

0.3x100= 30%

Hope that helped! :)

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3 years ago

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Which is another name for 23 ten thousands?

Bumek [7]

Another name is 230,000

8 0

2 years ago

In order to estimate the average time spent on the computer terminals per student at a local university, data were collected fro

VladimirAG [237]

Answer:

Margin of error for a 95% of confidence intervals is 0.261

Step-by-step explanation:

Step1:-

Sample n = 81 business students over a one-week period.

Given the population standard deviation is 1.2 hours

Confidence level of significance = 0.95

Zₐ = 1.96

Margin of error (M.E) = $\frac{Z_{\alpha }S.D }{\sqrt{n} }$

Given n=81 , σ =1.2 and Zₐ = 1.96

Step2:-

 $Margin of error (M.E) = \frac{Z_{\alpha }S.D }{\sqrt{n} }$ 

 $Margin of error (M.E) = \frac{1.96(1.2) }{\sqrt{81} }$ 

On calculating , we get

Margin of error = 0.261

Conclusion:-

Margin of error for a 95% of confidence intervals is 0.261

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3 years ago

Devon has 14 steel balls of equal weight. If he puts 8 of them in one pan of a balance, and the rest along with a weight of 20 g

astra-53 [7]

Let n be a number of balls: n = 14

In one pan you have 8 balls: 8n
In the other pan you have the rest of balls (14 - 8 = 6) along with a weight of 20 grams = 6n + 20
So the pans are balanced:
8n = 6n + 20

Now, just solve the equation:
8n - 6n = 20
2n = 20
n = 20/2
n = 10
So, you know that a ball weights 10 grams.

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2 years ago

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