What is the value of the expression 10 − (fraction 1 over 2)4 ⋅ 48?
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OpenStudy (anonymous):
@UsukiDoll
OpenStudy (anonymous):
@UsukiDoll
OpenStudy (usukidoll):
\[10-(\frac{1}{2})^4 \cdot 48\] is this your equation?
OpenStudy (anonymous):
yes
OpenStudy (usukidoll):
ok so order of operations is coming into play
PEMDAS
P is the parenthesis and E is the exponent... looks we got a 2 for 1 special
solve
\[(\frac{1}{2})^4 \] first
the exponent is 4 which means write \[\frac{1}{2}\] 4 times
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OpenStudy (anonymous):
that is 2 wholes
OpenStudy (usukidoll):
\[\frac{1}{2}\frac{1}{2}\frac{1}{2}\frac{1}{2}\]
no we are doing multiplication
OpenStudy (anonymous):
k
OpenStudy (usukidoll):
\[\frac{1x1x1x1}{2x2x2x2} \]
what's 1 x 1 x 1 x 1
what's
2 x 2 x 2 x 2
OpenStudy (anonymous):
1 x 1 x 1 x 1=1
2 x 2 x 2 x 2=16
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OpenStudy (usukidoll):
yup so our fraction is 1/16
\[10-\frac{1}{16} \cdot 48\]
now we have M D which is multiplication and division
what is \[\frac{1}{16} \cdot 48\]
OpenStudy (anonymous):
3?
OpenStudy (usukidoll):
very good :)
now we just have 10-3
we don't have A (addition) so skip it
We do have S (subtraction)
10 - 3 = ?
OpenStudy (anonymous):
7
OpenStudy (usukidoll):
yes. correct!
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OpenStudy (anonymous):
thnx
OpenStudy (anonymous):
r u still up for more questions
OpenStudy (usukidoll):
I'm a bit busy with something. taking a survey.
OpenStudy (anonymous):
ok so no more??? :(
OpenStudy (usukidoll):
I'll come back.. it will only take 10 more minutes.
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