Question

РЕШИТЕ ПОЖАЛУЙСТА!!!!!

Answer 1

а)

${3}^{4} - ( - 1) ^{4} = 81 - 1 = 80$
б)
$( - 3 frac{1}{3} ) ^{3} times 0.027 = {( - frac{10}{3}) }^{3} times 0.027 = - frac{1000}{27} times frac{27}{1000} = - 1$
в)
${( - 7)}^{2} times {( - frac{2}{7} )}^{2} = 49 times frac{4}{49} = frac{49 times 4}{49} = 4$