Question 649646
It may be useful to understand that 11.4 = 1.14 * 10^1

As such, then {{{(1.14*10^1)*(5.9*10^12) =  (1.14*5.9) * (10^1*10^12) = (1.14*5.9) * 10^13}}}

{{{1.14 * 5.9 = 6.726}}}

So putting it all together we get {{{6.726 * 10^13}}}