Three thousand one hundred nineteen in standard form

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 type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Find cot x if sin x cot x csc x = √2