Posted by keke on Friday, May 25, 2012 at 9:59pm.
4*10^1+9*10^0+8*10^-1+7*10^-2+8*10^3
= 40 + 9 + 8/10 + 7/100 + 8/1000
= 49 + .8 + .07 + .008
= 49.878
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