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evaluate the expression 7x2y, when x = 3 and y = 4.

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Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

40 describe the outliers from the scatter plot.

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?