Respostas

  • Usuário do Brainly
2014-07-20T17:12:05-03:00
A)
   ( \frac{3}{5} ) ^{2} = \frac{9}{25}
b)
   ( \frac{-4}{7} ) ^{2} = \frac{16}{49}
c)
   ( \frac{-1}{5} ) ^{3} =- \frac{1}{125}
d)
   (- 1^{5} ) ^{4} =(-1) ^{4} =1
e)
   ( \frac{1}{3}) ^{5}  = \frac{1}{243}
f)
  ( \frac{3}{2}) ^{2}  = \frac{9}{4}
1 5 1