By how much degrees should the heat be reduced in the last 5 minutes of banking​

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What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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?