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I don’t know the answer I tried using box method to turn it into a decimal but I can’t

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?

Factor the polynomial. b^2 + 4b + 4

Determine domain and range, largest open interval, and intervals which function is continuous.