42) 100³⋅10¹²: 1000⁴ = (10²)³⋅10¹²:(10³)⁴ = 10⁶⋅10¹²:10¹² = 10^(6+12) : 10¹² = 10¹⁸ : 10¹² = 10^(18-12) = 10⁶ = 1 000 000
Ответ: 1000000