question_answer

If \[\mathbf{lo}{{\mathbf{g}}_{\mathbf{16}}}\mathbf{m}=\mathbf{4}.\mathbf{5}\] and \[\mathbf{lo}{{\mathbf{g}}_{\mathbf{4}}}\mathbf{n}=\mathbf{9},\]then m = ________

A) \[\sqrt{n}\]

B) \[{{n}^{2}}\]

C) n        

D) \[n\sqrt{n}\]

E) None of these