Question

Calcule o valor para as seguintes expressões:
a)log9 1/729 - log 1/2 16+log2 64=

b) log 4/3 (4/3)+ log 3 1/27=?

me ajudem URGENTE!!!

Answer 1

$\log_9(\frac{1}{729})-\log_{\frac12}(16)+\log_2(64)\\ \\ \log_9(729^{-1})-\log_{\frac12}(2^4)+\log_2(2^6)\\ \\ \log_9((9^3)^{-1})-\log_{\frac12}(((\frac12)^{-1})^4)+6\\ \\ (3)(-1)-(-1)(4)+6\\ -3+4+6 \\ \\ 7$