Percentages, Fractions, and Decimal Values

4860

012

Science

Math and Arithmetic

Percentages, Fractions, and Decimal Values

It is 5.4085

456

Percentages, Fractions, and Decimal Values

It is 4/10.

001

Percentages, Fractions, and Decimal Values

It is 125.4 rounded to 1 decimal place

001

Percentages, Fractions, and Decimal Values

7 hundredths

001

Math and Arithmetic

Percentages, Fractions, and Decimal Values

It is 6904/61.

001

Math and Arithmetic

Percentages, Fractions, and Decimal Values

To understand how to work out the fraction of the number with repeated values of 4, we need to set up the expression. How? Let:

n = 0.4444.....

10n = 4.444....

Then, take the difference between these values to obtain:

10n - n = 4.444... - 0.444...

9n = 4

Finally, divide both sides by 9 to obtain n = 4/9.

346347348

Math and Arithmetic

Chemistry

Statistics

Percentages, Fractions, and Decimal Values

Percent Error is the difference between the true value and the estimate divided by the true value and the result is multiplied by 100 to make it a percentage. The percent error obviously can be positive or negative; however, some prefer taking the absolute value of the difference.

The formula is the absolute value of the experimental value (minus) the theoretical value divided by theoretical value times 100.

% error = (|Your Result - Accepted Value| / Accepted Value) x 100

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Percentages, Fractions, and Decimal Values

Rounding and Estimating Numbers

0.446 rounded to the nearest tenths is 0.4

234

Percentages, Fractions, and Decimal Values

to take 1% of a number divide by 100

Easiest if you forget about the million here i.e. 350 divided by 100 = 3.5

So the answer is 3.5million

Or written with all the zeros this would be 350,000,000 divided by 100 (to do this remove 2 zeros off the end) = 3,500,000

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Percentages, Fractions, and Decimal Values

It is 10 times as much as 0.02

123

Percentages, Fractions, and Decimal Values

20, as a percentage of 1200 = 100*20/1200 = 1.66%

513514515

Math and Arithmetic

Percentages, Fractions, and Decimal Values

No they are both the same because 83/10 = 8.3

123

Relationships

Percentages, Fractions, and Decimal Values

Love can't be quantified, though it could be compared to varying degrees of magnitude. Like identifying different kinds of love as a hierarchy. Filial love, for example, is love for your peers/brother/sister. Romantic love on the other hand, is a kind of love you feel towards a partner. You have to identify love according to its category first, then when you are sure that what you feel is on the same category, then you can start comparing how much more you love one from the other.

So for example, you're pretty sure that you're torn between two lovers, identify first what kind of love do you feel for them. Is it physical attraction, brotherly love, or something more unconditional? Being physical attaction is lowest point, while unconditional is highest.

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Math and Arithmetic

Percentages, Fractions, and Decimal Values

321%...........you take decimal and multiply it by 100.

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Math and Arithmetic

Mathematical Finance

Percentages, Fractions, and Decimal Values

I never saw much point in giving the answer to a mathematical question if the person didn't explain how to get to that answer.

With calculators today many mathematical equations are easy to figure, but I am a strong believer in the person understanding the formula and how it works, not just typing numbers into a calculator and magically getting an answer.

The question is what is 20% of $12,100. First we must change the percentage to a decimal, this is easily done by moving the decimal place to spaces to the left (the % represents the decimal). Therefore it gives us .20

Then simply multiply $12,100 x .20

12,100 x .20 = 2,420

Since we know we are dealing in dollars the answer is $2,420

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Percentages, Fractions, and Decimal Values

10 thousand dollars

To explain, 1% is the same as 0.01 which is also the same as dividing by 100. To divide by 100, move the decimal point 2 places to the left:

1 million = 1000000. so moving 2 places left gives 10000.00

444546

Math and Arithmetic

Percentages, Fractions, and Decimal Values

The easiest and simplest way to calculate a percentage of any number is to remember that 10% of any number, is the number itself with the decimal point one place to the left.

- I.e 10% of 1478 is 147.8 (The decimal one place to the left)
- 10% of 100,000,000 is 10,000,000.

That means that 10% of 80.00 is 8.000 (keeping the insignificant digits). So 20% would be $16.00. But we need 5 percent more, so we just split our 10% in half. Half of 8 is 4. So 25% of 80.00 is 16 + 4 which is 20.

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Math and Arithmetic

Percentages, Fractions, and Decimal Values

0.05x 300,000,000=15000000

0.05 because 5% in decimal form is 0.05, 100% is 1.00 etc, if it is in tens or less it adds a zero for each category(100's,10's,1's,0.1's etc) so since 5 is a one (0-9) it has two zeros past the decimal point.

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Percentages, Fractions, and Decimal Values

Basically "precipitating factors" are the causes of something.

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Algebra

Numbers

Percentages, Fractions, and Decimal Values

To convert a fraction to a percent, you first divide the numerator by the denominator. And then multiply by 100, which moves your decimal point two places to the right.

Another way to do it, or check your answer, is to make the fraction equivalent to a denominator of 100. So if you were to convert 8/25 to X/100, your new numerator would be the percentage.

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Math and Arithmetic

Mathematical Finance

Percentages, Fractions, and Decimal Values

"30 percent of 80 dollars" is expressed as "30% times 80 dollars".

Then:

0.3 * $80 = $24

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Math and Arithmetic

Percentages, Fractions, and Decimal Values

Its positional place value is 4/1000 = four thousandths

001

Math and Arithmetic

Mathematical Finance

Percentages, Fractions, and Decimal Values

Note that if something is 70% off, then we are left off with 30% of the original value. The 70% off of $145 is:

$145 * .7 = $101.50

If we want to determine the remaining value after 70% off, then we have:

$145 * .3 = $43.50.

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