Ответ:
- 1)
- \(11^3=11\cdot11\cdot11=1331\);
- \(37^2=1369\);
- \(370^2=136900\);
- \(1100^3=1\,331\,000\,000\).
- 2)
- \((-5)^3=-125\);
- \((-18)^2=324\);
- \((-0.5)^3=-0.125\);
- \((-0.18)^2=0.0324\).
- 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.
