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Mathematics 13 Online
OpenStudy (drummergirl7):

Simplify the expression. https://static.k12.com/bank_packages/files/media/mathml_ed6c739d90145b00e3735e10c3dd6f79837e26a4_1.gif a. -102 b.-24 c. 24 d. 102

OpenStudy (drummergirl7):

brb

OpenStudy (calculusxy):

Recall PEMDAS. We see that there's two operations in here: multiplication and addition. But which one, according to the Order of Operations, needs to be done first?

OpenStudy (drummergirl7):

back sorry

OpenStudy (calculusxy):

First multiply.

OpenStudy (drummergirl7):

ok

OpenStudy (drummergirl7):

im grabbing paper

OpenStudy (drummergirl7):

ok this is a really stupid question butis it negative 12 or minus 12 i cant tell my laptop is far away lol

OpenStudy (calculusxy):

negative 12

OpenStudy (drummergirl7):

ok thx lol so i multiply.? -12 by 8.5??

OpenStudy (calculusxy):

-12 * 2.5

OpenStudy (drummergirl7):

ok

OpenStudy (drummergirl7):

-30?

OpenStudy (calculusxy):

yes. now do addition

OpenStudy (drummergirl7):

ok -30 + 6 =-24?

OpenStudy (calculusxy):

correct!

OpenStudy (drummergirl7):

Yay!!! Thank u so much!

OpenStudy (calculusxy):

yw

OpenStudy (drummergirl7):

could you help me with one more Pwease :)

OpenStudy (drummergirl7):

What is the value of the expression? https://static.k12.com/bank_packages/files/media/mathml_cca0917f7df620fb5ab6d9031a3cc59cd08d2e80_1.gif A. -1/2 B. -1/8 C. 1/8 D. 1/2

OpenStudy (drummergirl7):

@jabez177

jabez177 (jabez177):

One question per post. :)

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