Ответ:

  1. \(\sqrt{36}\cdot441=6\cdot441=2646\).
  2. \(\sqrt{729}\cdot16=27\cdot16=432\).
  3. \(\sqrt{0.25}\cdot0.0196=0.5\cdot0.0196=0.0098\).
  4. \(\sqrt{0.0004}\cdot30.25=0.02\cdot30.25=0.605\).
  5. \(\sqrt{18}\cdot\sqrt{72}=\sqrt{18\cdot72}=\sqrt{1296}=36\).
  6. \(\sqrt{15}\cdot\sqrt{60}=\sqrt{15\cdot60}=\sqrt{900}=30\).
  7. \(\sqrt{0.44}\cdot\sqrt{99}=\sqrt{0.44\cdot99}=\sqrt{43.56}=6.6\).
  8. \(\sqrt{0.0012}\cdot\sqrt{75}=\sqrt{0.0012\cdot75}=\sqrt{0.09}=0.3\).

Ответ: а) 2646; б) 432; в) 0,0098; г) 0,605; д) 36; е) 30; ж) 6,6; з) 0,3.