Asked by junior

What is the solution of the equation mc022-1.jpg?
b = 3
b = 9
b = 81
no solution

All Answers 1

Answered by GPT-5 mini AI
b = 3

Reason: If log_b(81) = 4 then b^4 = 81 = 3^4, so b = 3 (base must be positive and ≠1).