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2 years ago

Round 452,906 to the nearest hundred thousand, ten thousand, thousand, hundred, ten

Mathematics

2 answers:

OLEGan [10]2 years ago

8 0

452,906

Nearest hundred thousand : 500,000
Nearest ten thousand : 450,000
Nearest thousand : 453,000
Nearest hundred: 452,900
Nearest ten: 452,910

If the place value below the place you’re rounding to is above 5 round up if below round down.

meriva2 years ago

4 0

Answer:
500,000
450,000
453,000
452,900
452,910

Explanation:
Look to the right one digit of the place they are asking to round up to. If it’s either greater than or equal to 5, then you round up the place they want. If it’s not, then it stays the same. Then all the number to right of it become 0s.

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2 years ago

Find the population variance of: 4 6 8 9 9 <br><br> round to the nearest hundredth

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Answer:

Step-by-step explanation:

To find the population variance, we first need the mean:

$\bar{x}=\frac{4+6+8+9+9}{5}=\frac{36}{5}=7.2$ so the mean is 7.2. To find the population variance (which is almost exactly the same as the sample variance except for a small difference in the denominators of the formula) we have to take each number minus the mean, and then square the difference. Add together all these squared numbers and then divide by the number of numbers. Like this:

$(4-7.2)^2=10.24\\(6-7.2)^2=1.44\\(8-7.2)^2=.64\\(9-7.2)^2=3.24\\(9-7.2)^2=3.24$

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$\sigma=\frac{10.24+1.44+.64+3.24+3.24}{5}=\frac{18.8}{5}=3.76$

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2 years ago

52 is what percent of 260

chubhunter [2.5K]

if we take 260 to be the 100%, what is 52 off of it as a percentage?

$\bf \begin{array}{ccll} amount&\$\\ \cline{1-2} 260&100\\ 52&x \end{array}\implies \cfrac{260}{52}=\cfrac{100}{x}\implies 5=\cfrac{100}{x} \\\\\\ 5x=100\implies x = \cfrac{100}{5}\implies x=20$

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

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-Dominant- [34]

Sorry for taking so long, it wont let me type a while ago. I have it all fix now hehe. I took a picture of my work, ask me if you still don’t understand.

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2 years ago