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Decimal Options
sb70012
Posted: Saturday, November 9, 2019 12:15:38 PM

Rank: Advanced Member

Joined: 6/6/2013
Posts: 1,096
Neurons: 5,591
Fraction: a tenth/one tenth
Percentage: ten percent
Decimal: (nought/zero) point one


Source: Business vocabulary in Use by Bill Mascull


Hi,
I say to myself that the author of the book in the blue part as made a mistake because the decimal of ten percent should be "(nought/zero) point ten (0.10)" not "(nought/zero) point one (0.1)"

Any guidance?


Thank you.
thar
Posted: Saturday, November 9, 2019 3:08:53 PM

Rank: Advanced Member

Joined: 7/8/2010
Posts: 20,849
Neurons: 84,335
NO NO NO NO NO.


and NO.



This is not ten.

edit - sorry if this got too long - I was trying to explain my reasons and it got a bit long and maybe a bit complicated for you.

ten is a specific number - it is 1 in the tens column and zero in the units column. 10
Then you can have a decimal point
eg 10.3 (ten point three).
but 10 only means 'ten' because it is in that order - tens and units. The same way 100 is one hundred (and no tens and no units)


but this is "decimal point" 1 0
It is 1 tenth and zero hundredths.

1.10 is one point one zero (or one point one nought)

You could have a very high level of precision, such as
1.1000000

That is not "one point one million", which it would be by that logic.




Yes, it is ten hundredths, but you don't quote hundredths.
After the decimal point, you quote digits. You move down the order of units - tenths, hundredths, thousandths, and each one is given its own individual digit.

This is a mistake some people make in maths and it gets them into terrible confusion, because you end up with -

2.10 (two point "ten")
sounding bigger than
2.5 (two point five).


Obvious, right, because ten is bigger than five.

and
1.1 (one point one)
sounding smaller than
1.10 (one point ten)
but the same as
1.01 (one point one?)
Then people complain they don't understand decimals.

And I don't blame them. Teachers who let children say numbers this way (or maybe they even teach it that way!) should be shot. I have had to deal with the results - (edited) children who don't feel confident using decimals because none of it makes any sense to them. And it should all be so simple. d'oh!
Wilmar (USA)
Posted: Saturday, November 9, 2019 4:19:41 PM

Rank: Advanced Member

Joined: 6/4/2015
Posts: 3,367
Neurons: 911,893
Location: Vinton, Iowa, United States
Forgive me for saying so, but the issue presented seems very much to be a math (maths?) issue and not an English language issue.
thar
Posted: Wednesday, November 13, 2019 1:33:20 AM

Rank: Advanced Member

Joined: 7/8/2010
Posts: 20,849
Neurons: 84,335
How to say things out loud (or even in your head, if you want to do that in English) is very much a language issue.

And it also makes a difference to the impression you give to others. If the person you are speaking to has a lower opinion of your mathematical skills because of the way you say decimals - whether that is fair or not - then that is not what you want to happen.
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