Răspuns:
a) [tex](2^{2})^{12}: (2^{2})^{14}= 2^{24} : 2^{28} = 2^{24-28}=2^{-4}=\frac{1}{2^{4} }=\frac{1}{16}[/tex]
b) [tex](5^{2})^{39} : (5^{3})^{25}=5^{78}:5^{75}= 5^{78-75}=5^3[/tex][tex]=125[/tex]
c)[tex](2^{2})^{12}* (2^{3})^{5}:(2^5)^7= 2^{24+15-35}=2^{39-34}=2^5=32[/tex]
Explicație pas cu pas:
