For what value of a does 9=(1/27)^a+3

 3.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  -27  as the denominator :

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

 3.2       Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

 39  multiplied by  33   = 3(9 + 3) = 312 -1 - ( -39 • 27) -1 + 312 ———————————————— = ———————— 27 27

the answer is 45 i just did it on oddesy ware

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