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Ленчаа
@Ленчаа
July 2022
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Найдите значение выражения 7^-7*7^-8/7^-13.
1) -49 ; 2) 49 ; 3) -1/49 ; 4) 1/49.
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Gerren
Verified answer
7^(-7)*7^(-8)/7^(-13)=7^(-15)*7^13=7^(-2)=1/7^2=1/49
15 votes
Thanks 30
Ленчаа
Спасибо)
Радость25
Verified answer
7⁻⁷*7⁻⁸/7⁻¹³=7⁻⁷⁻⁸/7⁻¹³=7⁻¹⁵/7⁻¹³=7⁻¹⁵⁺¹³=7⁻²=1/49
Ответ: 4)
16 votes
Thanks 35
Ленчаа
Спасибо))
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Answers & Comments
Verified answer
7^(-7)*7^(-8)/7^(-13)=7^(-15)*7^13=7^(-2)=1/7^2=1/49Verified answer
7⁻⁷*7⁻⁸/7⁻¹³=7⁻⁷⁻⁸/7⁻¹³=7⁻¹⁵/7⁻¹³=7⁻¹⁵⁺¹³=7⁻²=1/49Ответ: 4)