7,6*10^-2+5,4*10^-1
7,6·10^(–2)+5,4·10^(–1) =10^(-2)*(7,6+5,4*10)= =0,01*(7,6+54)=0,01*61,6=0,616
7,6·10^(–2)+5,4·10^(–1) = = 7,6·10^(–2)+54·10^(–2) = = (7,6+54)·10^(–2) = = 61,6·10^(–2) = = 0,616