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Algebra 9 Online
OpenStudy (anonymous):

Evaluate b^2 c ^-1 for b = 8 and c = -4

OpenStudy (radar):

Step 1: Express with positive exponents.\[b ^{2} \over c\]Step 2: Plug in values provided by the problem.\[8^{2} \over -4\]Step 3: Solve\[64 \over -4\]

OpenStudy (arihangdu):

-16 is your answer lol

OpenStudy (denisaboichuk):

-16

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