What is the square root of

Choose the more precise measurement. 26.4 cm or 8.39 cm

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )