Răspunsuri

2014-10-20T21:49:10+03:00
5^2011 · 2^2012 = 5^2011 ·2^2011 · 2 = 2·10^2011
50^20 ·2^28 = 2^20 · (5²)^20 ·2^28 = 2^48 ·5^40 = 2^8 · 10^40 = 256·10^40