Ответ:

  1. \(2^8\cdot a^8=(2a)^8\);
  2. \(5^5\cdot b^5=(5b)^5\);
  3. \(\left(\frac{1}{3}\right)^7c^7=\left(\frac{c}{3}\right)^7\);
  4. \(\left(\frac{2}{15}\right)^{10}d^{10}=\left(\frac{2d}{15}\right)^{10}\);
  5. \(4^6a^6b^6=(4ab)^6\);
  6. \(8^9c^9d^9=(8cd)^9\);
  7. \(\left(\frac{4}{11}\right)^{11}n^{11}m^{11}=\left(\frac{4nm}{11}\right)^{11}\);
  8. \(x^{13}y^{13}z^{13}=(xyz)^{13}\).