What is the sum of -1 1/3 + (-1/3)

This question awards 100 ! i really don’t want to fail i will also mark you !

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?

Which table represents points on the graph of h(x) = 3√-x+2?