do zad.2.b 14 do pot. 7 : 2 do pot. 7 = 7 do pot. 7 7 do pot. 13 : 7 do pot. 5 = 7 do pot. 8 druga liczba jest większa o 7 razy bo 7 do pot. 8 : 7 do pot. 7 = 7 do zad.5. d 125 do pot. 7 : 25 do pot. 10 = 5 do pot. 21 : 5 do pot. 20 = 5 do e (1/9) do pot. 4 : (1/3) do pot. 3 = (1/3) do pot. 8 : (1/3) do pot. 3 = =(1/3) do pot. 5 = 1/243 do f 0,5 do pot. 9 : (1/4) do pot. 4 = (1/2) do pot. 9 : (1/2) do pot. 8 = = (1/2) do g 0,1 do pot. 9 : 0,001 do pot. 2 = 0,1 do pot. 9 : 0,1 do pot 6 = = 0,1 do pot. 3 = 0,001 do zad.6. 8 do pot. 90 trzeba podzielić na 2 (2 do pot. 3 ) do pot. 90 : 2 = 2 do pot. 270 : 2 = 2 do pot. 269 do zad. 8 do d 10 zer do e 6 zer
2. b) 14^{7} 2^{7} = 7 {7} ( bo dzielisz podstawy ) 7^{13} 7^{5} = 7^{8} Odp. 7 razy. reszta zadan w zalacznikach ;)