Can someone explain negative exponents?

Which of these is a correct expansion of (4x - 2) (2x 2 + 3) ?

A bargain bin contains hip-hop and jazz CDs. There are 80 CDS in the bin. choosing a jazz CD and not choosing a jazz CD have the same number of favorable outcomes. How many jazz CDs are in the bin?

What is 11.25 rounded to the nearest hundred

N^2-4n-32. Find the factored form for this trinomial

92.96 as a mixed number in simplest form

Write - 1/6,5/3,-5/6 in order least to greatest

You are going to use an incline plane to lift a heavy object to the top of a shelving unit with a height of 7 ft. The base of the incline plane is 9 ft from the shelving unit.

Working in separately, three carpenters can make three chairs in three days. How many chairs can 7 carpenters working at the same rate make in 30 days?

If f (x) = x - 4, what does f (3) represent? the value of (x - 4) when x = 3 the value of x when (x - 4) = 3 the value of 3f (x) when x = 3 the value of f (x) when (x - 4) = 3

Erica spent a total of $48.90 buying supplies to make smoothies. She bought a blender for $30 and bought 6 pounds of strawberries. What was the price per pound for strawberries?