At the library, there is a four-hour span of time to use a computer. the time slots are 1/3 hour long. how many time slots are there?

You can find the constant of proportionality by finding the ratio of

Find the multiplicative inverse of 8-12i

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?