Answer:
10.63+0.59=11.22
10.63-9.9=0.73
1x10=10
2x10=20
3x10=30
4x10=40
5/10=0.5
6/10=0.6
7/10=0.7
8/10=0.8
10.63>10.7
you will have to round yourself sorry fam