Question

Urgente por favor urgente

Answer 1

Resposta:

a) $1463^{-8}$

b) $AB^{-20}$

Explicação passo a passo:

a)

$(19^{-3} * 11^{4} * 7^{3}) ^{-2}\\\\(19 * 11*7^{-3 + 4 + 3}) ^{-2} \\\\(1463^{4})^{-2}\\\\1463^{-8}$

b)

$(a^{6} * b^{-11})^{4}\\\\(a*b ^{6+(-11)})^{4}\\\\(AB^{-5})^{4}\\\\AB^{-20}$