If is a positive number written in scientific notation, which statements must be true? select all that apply.

a. n could be 540.
b. n could be 5.4.
c. p could be -8.
d. p could be a fraction.

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

What is the molar mass of potassium nitrate, kno3

What is the common name for the compound shown here? enter the common name of the compound shown?