Evaluate the exponential expression (−b)4×(−b)5, for b=4. [2 MAR

1.	Evaluate the exponential expression (−b)4×(−b)5, for b=4. [2 MARKS]
Answer» Evaluate the exponential expression $(- b)^{4} \times (- b)^{5}$ , for $b = 4$ . [2 MARKS]

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