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Автор - Nika1039

Хелп ми!!! Плиз помогите с СОРом!!! В край нужно​ 1,2,3,5.

Ответ

Автор - bel72777

Пошаговое объяснение:

1.

7510000=751•10^4=75,1•10^5=7,51•10^6=0,751•10^7

Ответ: вариант В.

2.

((a^(-3))/(2b^(-6)))^(-3) •5b^6 •a^4=a^(-3•(-3)) •2^(-1•(-3)) •b^(6•(-3)) •5b^6 •a^4=2^3 •5a^(9+4) •b^(-18+6)=8•5a^13 •b^(-12)=(40a^13)/b^12

3.

(6^2 •216^(-5))/(36^(-7) •6^0)=6^2 •(6^3)^(-5) •(6^2)^(7) •1=6^(2-15+14)=6^2=6

4.

А). 4,3<7,1; 10^5=10^5

Ответ: 4,3•10^5<7,1•10^5

В). 8,7/10^7<8,2

Ответ: 8,7•10^(-7)<8,2•10^7

С). 12,6=12,6; 10^3>10^(-4)

Ответ: 12,6•10^3>12,6•10^(-4)

5.

36,7•10^(-12) см^2=36,7•10^(-12) •10^(-4) м^2=36,7•10^(-12-4) м^2=36,7•10^(-16) м^2=36,7•10^(-16) •10^(-6) км^2=36,7•10^(-16-6) км^2=36,7•10^(-22) км^2

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