Автор - panasyukyarik26

a в 9 = -0,9 а в 7 = -0,3 а в 8 ?

Ответ

Автор - zaithevalex
а^9 = -0,9;

а^7 = -0,3;

а^8 = ?

а^9/а^7 = а^2 = 0,9/0,3 = 3;

а^8 = 3^4 = 0,81;

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