I'm helping my daughter with her homework and I'm trying too see if we are doing it correctly it says round to the neared tenth of a square kilometer

Problem- 296.37
Her answer was 296.47 km
My answer - 300.00 km

Problem: 0.44 km
Her answer was 44km

Problem 60.87 km
Her answer : 60.87 km
My answer : 70 km

http://www.mathsisfun.com/rounding-numbers.html

Study that site and try again. Neither of you is right.

296.37 = 296.4