Express 0.000 000 698 in scientific notation

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Which rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?