Ответ:

  1. 1)
    • \(11^3=11\cdot11\cdot11=1331\);
    • \(37^2=1369\);
    • \(370^2=136900\);
    • \(1100^3=1\,331\,000\,000\).
  2. 2)
    • \((-5)^3=-125\);
    • \((-18)^2=324\);
    • \((-0.5)^3=-0.125\);
    • \((-0.18)^2=0.0324\).
  3. 3)
    • \(\left(\frac49\right)^3=\frac{4^3}{9^3}=\frac{64}{729}\);
    • \(\left(-\frac87\right)^3=-\frac{8^3}{7^3}=-\frac{512}{343}\);
    • \(\left(-1\frac16\right)^2=\left(-\frac76\right)^2=\frac{49}{36}=1\frac{13}{36}\);
    • \(\left(1\frac25\right)^3=\left(\frac75\right)^3=\frac{343}{125}=2\frac{93}{125}\).

Ответ: 1) 1331; 1369; 136900; 1331000000. 2) −125; 324; −0.125; 0.0324. 3) 64/729; −512/343; 49/36; 343/125.