Why does 0.25 x 0.4 only has one decimal point in the product?

Football player weighed 170 2/3 pounds in may. during the summer he gained 25 5/12 pounds. during the first week of fall practice he lost 10 1/4 pounds and during the second week he lost another 3 1/2 ponds. how much does he weigh at this point? a.182 1/3ib b.181 1/2ib c.182 5/12ib d.183 2/3ib

When y’all answer can y’all explain too !

Evaluate the expression. (9 + 5)(3 + 2)0