The hardest Mathematic quiz ever!

This is the hardest mathematic quiz ever made on earth. Only the real pro's can pass this quiz! Try it yourself right now!

1 10-7 is equal to
2 2x4 is equal to
3 if 5x²-789x²+√(x)+0.00001=0 than x=?
4 7/8+65x1234³+76% is equel to
5 45613x597415-15684x18796+765116x0+54753² is equal to
6 2/2 is equal to
7 78141269*10 is equal to