Is the number written in scientific notation? if not, explain.
44 x 10^8

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?