4. Он никогда не был принципиальным

4. Он никогда не был принципиальным человеком и мог легко менять свое мнение в зависимости от сложившейся ситуации.
5. Бизнесмен незаконно утилизировал подводные лодки и был оштрафован на 500 евро.
6. По итогам сбора и обработки информации, полученной в экспериментах, американскими физиками было сделано важное открытие.

Результаты (английский) 1:

4. He never was a principled man and could easily change their minds depending on the situation.5. A businessman illegally salvage submarine and was fined 500 euros.6. on the basis of the collection and processing of information obtained in experiments, American physicists had made an important discovery.

Результаты (английский) 2:

4. He was never a man of principle and could easily change his mind depending on the situation.
5. businessman illegally disposed of submarines and was fined 500 euros.
6. As a result of the collection and processing of information obtained in the experiments, the American physicists had made an important discovery.

Результаты (английский) 3:

4. he was never a man and could easily change their opinion, depending on the situation.5. businessman illegally утилизировал submarines and was fined $500 euros.6. on the basis of collecting and processing information obtained in the experiments, american physicists had made an important discovery.