Obliczenia :
[tex]a] \ 2\cdot2^2\cdot2^5=2^{1+2+5}=2^8\\\\b] \ 10^9:10^4=10^{9-4}=10^5\\\\c] \ \frac{(5^2\cdot5^0)^4:5^2}{5\cdot(5^3:5)}=\frac{(5^2)^4:5^2}{5\cdot5^2}=\frac{5^8:5^2}{5^3}=\frac{5^6}{5^3}=5^3[/tex]
Wykorzystane wzory :
[tex]a^m\cdot a^n=a^{m+n}\\\\a^m:a^n=a^{m-n}\\\\(a^m)^n=a^{m\cdot n}[/tex]
