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ДианаРосс
@ДианаРосс
July 2022
2
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Решите с решением пожалуйста
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tana199004
81^12=3^48, 27^17=3^51
тогда 3^48÷3^51=3^-3,
10^-7÷10^-5=10^-2
3^-3*10^-2=1/2700
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ЕкарныйБабай
81^12*10^-7 / ( 10^-5* 27^17) = (3^4)^12 * 10^-7 / ( 10^-5 * (3^3)^17) = 3^48 * 10^-7 * 10^5 * 3^-51= 3^-3 * 10^-2 = 1/ (3^3*10^2) = 1/(27*100)=1/2700
ответ 2
(a^m)^n=a^mn
a^m*a^n=a^(m+n)
27=3^3
81=3^4
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Answers & Comments
тогда 3^48÷3^51=3^-3,
10^-7÷10^-5=10^-2
3^-3*10^-2=1/2700
ответ 2
(a^m)^n=a^mn
a^m*a^n=a^(m+n)
27=3^3
81=3^4