Dividing whole numbers by a scientific notation [closed]

this is the equation: 18.015 grams/mol ÷ 6.022 x 10^23 mol$^{-1}$ what is the answer here? please I need to know how to solve this without a calculator in order for me to pass college admission tests...

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please do some solutions thank you,, –  alexis louisse b. gonzales Jun 8 '13 at 14:10
You just do $\frac {18.015}{6.022}$ by regular division. You should be able to get this one pretty close in your head. Then the powers of $10$ you deal with by the laws of exponents. Since you have $10^{23}$ in the denominator, bringing it upstairs changes the sign of the exponent.