The right answer is of option D.
please see the attached picture for full solution...
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Good luck on your assignment......
(3a^4 * b^-2) * (2a^7 * b^-1)
= 6*a^(4+7)*b^(-2-1)
= 6*a^11*b^-3
Answer:
You did not give a amount for how much Salma has.
Step-by-step explanation: