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Автор - lemon1492

помогите,заранее спасибо​

Ответ

Автор - alexanice2008

Ответ:21.6×10-4

Объяснение:

7.2 умножает на 3, а у десяток степени складываются, т е - 3-1=-4, получается 10 в минус 4 степени

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