Please help me this is for my final exams
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Mathematics, 21.06.2019 19:30
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?
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Mathematics, 22.06.2019 07:00
Angle x and y are complementary. angle x is supplementary to a 128° angle. what are the measures of angle x and angle y? write an equation to solve for x first. then find the measure of angle y
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