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Which is more precise, fractions or decimals??

Which is more precise fractions or decimals?? Plz answer with a simple example....

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Fractions can be more precise than decimals. For example: 1/3 can not be expressed exactly as a decimal. .33333333333333333333333333333333333333333... is only an approximation.
Some numbers cannot be expressed precisely as either a fraction or a decimal. pi is an example.

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Posted on Dec 03, 2017

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I agree with Bilral,

Fractions can be more precise than decimals.

For example, 1/3 is 1.3333......, but we often write it as 1.33. Clearly 1/3 is more precise than 1.33.

Good luck,

Paul

Posted on Dec 03, 2017

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Between decimals and fractions, decimals are considered to be more accurate as compared to fractions

Posted on Nov 21, 2017

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1 Answer

Mary makes a design on paper with the dimensions shown. She decides to paint the edge of the design blue. What length of the design would Mary paint? (Use 3.14 for pi.)


I think you need to specify the sizes to get the answer. You probably wonder how I decided this?
The answer is simple, go to the StudyDaddy site with geometry homework help https://studydaddy.com/geometry-homework-help and there is a detailed description of this topic, how to solve similar examples!

May 14, 2018 | Homework

1 Answer

Hai again your support helps me alot can you please differentiate for me between the following -6to the power 2 and -6 to the power 2,& 2 to the power -3 + 1/3 to the power-2


Fixya maths 4 indices

Indices n surds

Hai again your support helps me alot can you please differentiate for me between the following -6to the power 2 and -6 to the power 2,& 2 to the power -3 + 1/3 to the power-2
I need a clarity how to convert these exponents to fractions
Posted by Ncwana Noziphiwo on Apr 03, 2018

https://www.tes.com/teaching-resource/indices-negative-indices-6427219

-62 means a number multiplied by itself twice
So in this case it is -6 x -6 = 36 - since -x- = +
If this was -6-2 the negative power means it's a fractional indice so first make it look like a fraction
1/-62 now it looks like a fraction (inverse) and the power mow looks like a normal square
Coz its still a negative number -6 x -6 = 36
So the answer is now 1/36

So when it is a minus power, first turn it into a fraction, then calculate as normal
Note: every number has a sign, it is either + or minus.
By convention, we always assume it is a plus unless stated otherwise.
To make sure u remember this fact put a plus sign in front of every number if no sign is showing
You can start with buses the 27 bus is +27
Its like if u say u have a car, what u really mean is you have 1 car. But u drop the 1 coz everyone takes for granted u meant 1 car, 1 house, 1 friend etc
Every power we assume its + unless otherwise stated.
So when a minus is put in front of the power, its saying make it a fraction first!
Maths is a game and games have rules.
This rule is a minus in front of power (indice) change to fraction form first!
So if it is 2-3 - the power -3 is saying turn it into a fraction first so
1/23 = 1/ 2x2x2 = 1/8
If it had of been 23 notice how no signs shown because we take for granted they r all +
Let's show them
+2+3 since it's a plus 3 we don't need to change it to a fraction and since it is a plus 2
We have +2 x + 2 x +2 and a +x+ x+ = +
2x2x2 = 8
Its easier to just do 23 = multiply the 2 by itself 3 times
2x2x2 = 8
When doing fractions of any type I prefer showing them as being more obviously top/bottom
1
-
2

Format and for that free hand is easier as typing is hard...lol
Ie
Numerator Denominator
When using a number that's a fraction it is better tro enclose it in brackets
As every indice is of the form - numberpower
The number can just as easily be a fractional number like a 1/3
So (1/3)2 is a third multiplied by itself
1/3 x 1/3 = 1x1/3x3 = 1/9
If it was (1/3)-2 then first u must get rid of the minus power by turning it into a fraction
1/(1/3)2
1/1/3 x 1/3
1/1/9
And 1 divided by a ninth =
1 to be cont - tired..lol

Apr 03, 2018 | Homework

1 Answer

Round to the nearest cent for 5.88475


If we are rounding to the nearest cent, we first locate that value. In this case, it is the second 8 to the right of the decimal. Next, we look at the number immediately to the right. In this case, it is the 4. Since this is 4 or less, we take this number and all numbers to the right to 0 and end up with 5.88.

If the 4 was a 5, the number is 5 or greater, so we have to round up by adding 1 to the cents column. In this case, it would be 5.89.

Good luck,

Paul

Mar 19, 2018 | Homework

1 Answer

What is the improper fraction of 2/10


I think you want to reduce the fraction to the lowest terms.

Improper fraction 1 3/4 produces an improper fraction of 7/4 (1 times denominator plus numerator)

To reduce a fraction, we need to divide the numerator (number on top) and the denominator (number on the bottom) by the greatest common factor (GCF).

To get the GCF, find the factors of the numerators and denominators and find the greatest number that is in both lists.

The factors of 2 are 1, 2.

The factors of 10 are 1, 2, 5, 10.

The greatest (largest) number is both lists is 2, so we divide the numerator and denominator by 2 and get 1/5.

Good luck,

Paul

Feb 06, 2018 | Homework

1 Answer

To tringles are similar and they want to find the ratio from the height to the base? the first tringle has the height of 6 and the base 8 and the second tringle has the height of 3 and the base 4


That ratio is 3/4, height/base, in both triangles. Is that what you mean?

Ratios are normally expressed as a fraction, not a decimal.
.

Mar 09, 2017 | Homework

1 Answer

How to solve franctions


Multiplying Fractions:
  1. Make sure you're working with two fractions.
  2. Multiply numerator x numerator, then multiply denominator x denominator.
Dividing Fractions:
  1. Make sure you're working with two fractions
  2. Flip the second fraction upside down.
  3. Change the division sign into a multiplication sign.
  4. Multiply top x top and bottom x bottom.
Converting Mixed Numbers into Improper Fractions:
  1. Convert mixed numbers into improper fractions.
  2. Take the whole (non-fraction) number and multiply it by the denominator.
  3. Add that answer to the numerator.
  4. Put that amount over the original denominator and you will have an improper fraction.
Method for Adding and Subtracting Fractions:
  1. Find the lowest common denominator (bottom number). For both adding and subtracting fractions, you'll start with the same process.
  2. Multiply fractions to match the lowest common denominator.
  3. Add or subtract the two numerators (top number) but NOT the denominators.

Mar 07, 2017 | Homework

1 Answer

There are 144 animals at a pet store. 56 are cats; the rest are dogs. What fraction of all of the animals are dogs?


total=144
cats=56
dogs= 144-56= 88
hence, 88/144
the answer for this would be= 11/18

Jan 04, 2017 | Homework

2 Answers

59 over 100 in simpilist form?


59/100 is in the simplest form.
it can also be written in decimals, that is 0.59

Jan 04, 2017 | Homework

2 Answers

5 over 16 as a percent?


5/16 as a percentage is,
0.3125*100-
31.25%

Jan 04, 2017 | Homework

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