The surface area of the planet Saturn is about 42,700,000,000 square kilometers. In scientific notation, the number is written as 4.27 x 10°. What is the value of a?

Which expression is equivalent to sq-80

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?