The number 650,000 written in scientific notation would be

1. 6.5 × 10 -5
2. 6.5 × 10 5
3. 65 × 10 4
4. 0.65 × 10 -6

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer