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Mathematics 7 Online
OpenStudy (anonymous):

What is the value of the expression? –13.7 + (–5 + 2.7) A. –21.4 B. –16 C. –11.4 D. –6

OpenStudy (anonymous):

will medal and fan

OpenStudy (anonymous):

@Here_to_Help15

OpenStudy (redheadangel):

first work inside of the parantheses

OpenStudy (redheadangel):

so... what is -5+2.7

OpenStudy (anonymous):

k

OpenStudy (anonymous):

2.12

OpenStudy (redheadangel):

good, now what is -13.7+ 2.12?

OpenStudy (redheadangel):

whoops, it is actually -2.3

OpenStudy (redheadangel):

so.. what is -2.3-13.7?

OpenStudy (anonymous):

-11.58

OpenStudy (anonymous):

right

OpenStudy (redheadangel):

not quite...

OpenStudy (anonymous):

o

OpenStudy (anonymous):

was i close

OpenStudy (redheadangel):

yes, my result was -16..

OpenStudy (anonymous):

so b

OpenStudy (redheadangel):

that right!

OpenStudy (redheadangel):

thats*

OpenStudy (anonymous):

thanks

OpenStudy (redheadangel):

np :)

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