6. Which one choice is NOT written in scientific notation? A. 1.002 x 103 B. 10.18 x 102 C. 1.56 x 10-3 D. 9.997 x 10-6

15 point ! ~ see if you know the answer to both you!

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x