Write an expression for the area of square 4 by combining the areas of the four triangles and the two squares.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

How do you write something in scientific notation?