Simplify the expression.
https://static.k12.com/bank_packages/files/media/mathml_ed6c739d90145b00e3735e10c3dd6f79837e26a4_1.gif
a. -102
b.-24
c. 24
d. 102
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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
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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
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OpenStudy (drummergirl7):
ok
OpenStudy (drummergirl7):
-30?
OpenStudy (calculusxy):
yes. now do addition
OpenStudy (drummergirl7):
ok -30 + 6 =-24?
OpenStudy (calculusxy):
correct!
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