Question

find the value of m for which (11)^m ÷ (11)^-4 = (11)^9​

Answer 1

Answer:

m = 5 , 11^5

Step-by-step explanation:

11^m - 11^-4 = 11^9

{:when base is same and being divided power are subtracted

                           example : a^b ÷ a^c = a^b-c   }

11^m-(-4) = 11^9

11^m+4 = 11^9        {  -(-) = + , minus minus equals to plus }

m + 4 = 9

m =9 -4

m = 5

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