Jawabanmu

Jawaban paling cerdas!
2014-02-23T19:47:23+07:00
L=Lo {1+a (t2-t1)}
  =80 {1+0.000017 (78-28)}
  =80 {1+0,000017 (50)}
  =80 {1+0,00085}
  =80 {1,00085}
  =80,068 m.
gmn???