Evaluate the exponential expression -b4- -b5- for b - 4- -2 MARKS-

Concept: 1 Mark Application: 1 nbsp;Mark ( b)^4 nbsp;× ( b)^5 =( b)^4+5 [a^m× a^n = a^m+n] =( b)^9 Substituting b = 4, nbsp;we get, = ( ...

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a^m / b^m = (a/b)^m

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Question

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

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