Предмет: Алгебра, автор: masterryt999

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Автор ответа: flybirdster

Ответ: 7,2 * 10¹² частиц пыли присутствует во всех спальнях дома.

Решение:

$N_{total} =3000*2,4*10^{9} = 7200*10^{9}=7,2*10^{12}$

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