Предмет: Физика, автор: kamilala6121

Выполните действия 7 класс​

Приложения:

Ответы

Автор ответа: Relecteve22
0

Ответ:

а) (2,4 · 10^{3}) + (1,6 · 10^{3}) = 2400 + 1600 = 4000

б) (2,4 · 10^{3}) - (0,4 · 10^{3}) = 2400 + 400 = 2800

в) (4,2 · 10^{3}) · (2 · 10^{2}) = 4200 · 200 = 840'000

г) (4,2 · 10^{3}) : (2,1 · 10^{2}) = 4200 : 210 = 20

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