the bee hummingbird is the smallest bird. it can weigh as little as 2 grams. the largest bird, the ostrich, can weigh as much as 150 kilograms. the hummingbird's weight is what percent of the ostrich weight?
When you divide 2 by 150 you get .0133333333. You move the decimal point two places to the right because it is a percentage out of 100. You round the number because the 3s continue forever.