12k to the power of -5 into 7k to the power of -9
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Answer:
84/k^4
Step-by-step explanation:
12k^5 x 7k^(-9)
=84k^(5-9) [USING INDICES LAW m^a x m^b=m^(a+b)]
=84k^(-4)
=84/k^4
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