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OpenStudy (anonymous):
Evaluate: [(51 + 3) - 32] ÷ 9 • 2
52
13.3
2.5
10
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OpenStudy (yamyam70):
start of with brackets going out, from the innermost bracket/parenthesis
OpenStudy (yamyam70):
and guide your solving with PEMDAS rule
OpenStudy (anonymous):
51+3
OpenStudy (anonymous):
54-32
OpenStudy (yamyam70):
go on
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OpenStudy (yamyam70):
you are doing good :)
OpenStudy (anonymous):
22/9
OpenStudy (anonymous):
2.44x2=4.88
OpenStudy (yamyam70):
22 divided by 9 x 2 , (PEMDAS)
OpenStudy (anonymous):
yep yep my bad 22/18=1.22
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OpenStudy (yamyam70):
good one
OpenStudy (anonymous):
thats still not the answer that she need though
OpenStudy (yamyam70):
thats weird you know, I checked on scientific calculator and it appears to be 4.88
OpenStudy (anonymous):
ive done this before and never came up with the answer
OpenStudy (anonymous):
which is whati had earlier
ya know
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OpenStudy (yamyam70):
is the given problem correct?
OpenStudy (anonymous):
yes
OpenStudy (yamyam70):
4.88 it is (based from calculator)
OpenStudy (anonymous):
it should be -3^2
OpenStudy (yamyam70):
so... please check the given problem and choices, and credits to marc philip for making it correct
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OpenStudy (anonymous):
thank you
OpenStudy (yamyam70):
Marco you agree with the given?
OpenStudy (anonymous):
no not really but it may be one of those typos
OpenStudy (yamyam70):
Heres ya proof!
OpenStudy (anonymous):
it was a typo my bad!
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OpenStudy (anonymous):
well yeah i know the answer is correct but the problem its self my have a typo
OpenStudy (anonymous):
so what was the mistake
OpenStudy (yamyam70):
didn't know why pemdas doesn't work... now my anxiety gets me </3
OpenStudy (anonymous):
i already said it was -3^2 instead of -32
OpenStudy (anonymous):
oh ok so -3^2 would be 9 because - - makes a +
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OpenStudy (anonymous):
yes :) sorry Marco
OpenStudy (yamyam70):
okay , now the answer is in the choices ;)
OpenStudy (anonymous):
but 13.3
OpenStudy (anonymous):
yes ma'am
OpenStudy (yamyam70):
so whats you're answers?