Ответ:30² = 30 · 30 = 900.42² = 42 · 42 = 1764.10² = 10 · 10 = 100.110² = 110 · 110 = 12100.10³ = 10 · 10 · 10 = 1000.100³ = 100 · 100 · 100 = 1000000.10⁴ = 10000.10⁶ = 1000000.10⁸ = 100000000.10⁹ = 1000000000.