Ответы на вопрос:
1) 16 * 2^(-7) = 2^4 * 2^(-7) = 2^(4 - 7) = 2^(-3) = 1/8 2) ((25^(-5))^5)^(-9) = (5^2)^(-5 * 5 * (-9)) = 5^2 * 225 = 5^450 3) 36^(-3) * (1/6) ^ (-7) = (6^2)^(-3) * 6^7 = 6^(-6) * 6^7 = = 6^(-6 + 7) = 6^1 = 6
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