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Mathematics 11 Online
OpenStudy (anonymous):

Look at this expression. -15+27.82 what is the value of the expression?

OpenStudy (anikhalder):

umm..you don't know decimal addition and subtraction? We can't just give you the answer can we? We can guide you..try yourself first and then if any problem we are always there to help..:)

OpenStudy (anonymous):

i am asking because i don't know

OpenStudy (anikhalder):

okay..can you add these 15.00 18.10

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

33.10

OpenStudy (anikhalder):

Excellent.. Can you now add 15.73 13.33

OpenStudy (anonymous):

29.06

OpenStudy (anikhalder):

:) I got nothing left to say but this..you are good at addition and subtraction and so you can easily do the sum without any help..:) Subtract 15 from 27.82 You'll get what you need.

OpenStudy (anonymous):

thank u

OpenStudy (anonymous):

i got 27.67

OpenStudy (anikhalder):

You are welcome..so what shall the answer be?

OpenStudy (anonymous):

that is wrong because it is not an answer choice on my paper

OpenStudy (anikhalder):

it won't be 27.67 27.82 -15.00 ------- ?

OpenStudy (anonymous):

it will be a positive right

OpenStudy (anikhalder):

yep

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