Respuesta :

For the questions number 1, 2, and 3 the answers are:

1-  4.16 x 13  =  54.08
2-  6.47 x 0.4  =  2.588
3-  7.05 x 9.4  =  66.27

I hope I could help :) let me know if you want question number 4 answered also.