Respostas

  • Usuário do Brainly
2013-10-22T18:03:42-02:00
(8)² = 64

(b - 4ab) * (b - 4ab) = b² - 4ab² - 4ab² + 16a²b² = b² - 8ab² + 16a²b²

(22f) * (22f) * (22f) * (22f) * (22f) = 5153632f

(99f) ^ 4y ^ 3 = (99f) elevado a 12y
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