Question

calcule log 5³, sabendo que log 5=0,7

Answer 1

$\mathrm{\ell og}\left(5^{3} \right )=3\mathrm{\,\ell og\,}5\\ \\ \mathrm{\ell og}\left(5^{3} \right )=3\cdot 0,7\\ \\ \mathrm{\ell og}\left(5^{3} \right )=2,1$