Question

GNT ME AJUDEM PLMRDS
6^1 × 3^-2 + 4^-1 - 4 × 7^0

Answer 1

Resposta:

$6^{1} . 3^{-2} + + 4^{-1} - 4 . 7^{0} =\\6^{1}. \frac{1}{3^{2} } + \frac{1}{4} - 4. 7^{0} =\\\\6 . \frac{1}{9} + \frac{1}{4} - 4 . 1 =\\\\\frac{6}{9} + \frac{1}{4} - 4 =\\\\\frac{24 + 9 - 144}{36} =\\\\\frac{33 - 144}{36} =\\\\-\frac{111^:^3}{36^:^3} =\\\\-\frac{37}{12}$

Espero ter ajudado, bons estudos!!!