>>>
38.15<38.1 2.8≈2.8 8.9≈9.0
6.6×3.4=22.44
6.66×33.4= 222.444
6.666×333.4=
6.66666×33333.4=
99.99×2=199.98
99.99×3=299.97
99.99×4=
99.99×7=
A.
B.
C.