A scale drawing of an apartment shows the living room length as 5.7 inches. The scale on the drawing is 1 inch = 3 feet. What is the actual length , in feet, of the living room?

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Which of the following expressions are equivalent ?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000