Which of the following best describes the unit price of an 8-ounce bag of walnuts?
A. It is the number of ounces that can be bought for $1.
B. It is the price of one ounce.
C. It is the price per ounce multiplied by 8.
D. It is 8 divided by the price of the bag.

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.