The mass of saturn is 5.686 × 10^26 tonnes. the mass of earth is 6.04 × 10²¹ tonnes. how many times heavier is saturn than earth? give your answer in standard form to a suitable degree of accuracy.

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.