Karen's batting average was 0.444. she was at bat 45 times. how many hits did she get?

To answer this, mult. 45 hits by 0.444:

45(0.444) = 19.98.  Obviously we must round this off, since the quantity "
number of times at bat) is integer.  Thus, she got 20 hits (rounded up from 19.18).

Chope you get it right gl