50 + 6 + 0.7 + 0.01 = ?

(a)  

10 + 8 + 0.4 + 0.02 + 0.003 = ?

(a)  

800 + 20 + 5 + 0.1 + 0.05 + 0.002 = ?

(a)  

0.5 + 0.06 + 0.001 = ?

(a)  

0.004 + 0.0003 = ?

(a)  

400 + 20 + 0.5 + 0.08 + 0.004 = ?

(a)  

400 + 0.003 = ?

(a)  

400 + 30 + 8 + 0.001 = ?

(a)  

500 + 60 + 2 + 0.8 + 0.06 + 0.001 = ?

(a)