Рещите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

Рещите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Answer 1

(1.2*10^-3) : (4.8*10^-2) =(1.2/10^3) : (4.8/10²) =(1.2/10^3) * (10²/4.8) =(1.2*10²) /(10^3*4.8) =1.2/10*4.8 =1/10*4 =1/40 =0.025