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Difficulty—
\(P=a^4\cdot b^7,\) where \(a^2=1\) and \(b^2=9.\) What is the value of \(P?\)
(1) \(a < 0\)
(2) \(b < 0\)
Answer: B
Source: Magoosh
(1) \(a < 0\)
(2) \(b < 0\)
Answer: B
Source: Magoosh
