Express the number in scientific notation. 63,600,000 a) 6.36 x 10 7 b) 6.36 x 10 -7 c) 63.6 x 106 d) 636 x 10 5

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Find the solution of system of equation y= x-4 y=4x+2

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more