Sig fig help???

3.45 x 10^6 g Au= ? moles Au



62.34 g F= ? mol F

Sig fig help???
3.45x10^6(1 mol Au/196.9665gAu)=1.75x10^3 molesAu



62.34g F(1 mol F/18.9984g F)=32.81x10^1