Simplify and write in exponential from a). 9^11÷9^7 – InterviewSolution

1.	Simplify and write in exponential from a). 9^11÷9^7
Answer» 9^4Step-by-step EXPLANATION:GIVEN, 9^11÷9^7 We KNOW that , a^m÷a^n = a^(m-n) So , 9^11÷9^7 =9^(11-7) 9^11÷9^7 =9^4

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