There are 6 x 10^12 raindrops in one thunder cloud. Which shows what a calculator would display for the number of raindrops in 5 thunder clouds?
A
1.2E12
B
1.2E13
C
3E12
D
3E13

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

In the diagram of circle a what is m

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1