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OpenStudy (jordanloveangel):
What is the value of the expression 8^–2?
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OpenStudy (michele_laino):
please note that: \[8^{-2}=\frac{ 1 }{ 8^{2} }=...\]
OpenStudy (jordanloveangel):
A. –16 B. http://static.k12.com/bank_packages/files/media/mathml_0354ca6b5967787a7763d24c8528f33c629eb88c_1.gif C. http://static.k12.com/bank_packages/files/media/mathml_b267c00d00078531482f41218bd0660bfa8ce2b3_1.gif D. 64
OpenStudy (michele_laino):
and \[8^{2}=64\] so?
OpenStudy (jordanloveangel):
D
OpenStudy (michele_laino):
that's right!
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OpenStudy (michele_laino):
sorry no, It s not D
OpenStudy (jordanloveangel):
oh really
OpenStudy (michele_laino):
yes! Please retry
OpenStudy (jordanloveangel):
B
OpenStudy (michele_laino):
yes!
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OpenStudy (anonymous):
B
OpenStudy (jordanloveangel):
thx
OpenStudy (triciaal):
do you see why it's B ?
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