Simplify: 3.59 x 106 : 9.5 x 10-6

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.

Find the roots of the equation below. x^2 - 6 + 9 = 0

Landon wrote that 3−2.6=4. which statement about his answer is true?