Help me plz

Me what is the value of x? showing work would be appreciated - ! : )

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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?