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  • 3 years ago

I really need help with this! I have to calculate the surface area of a circle to molecules per layer, which requires converting the surface area from meters to nanometers. My surface area is 12.56 cm2, which equals 0.12560 meters & 125600000 nm. I'm given: (I have to multiply everything across the top row to give the molecules and everything across the bottom to get the top layer) 12.56 cm2 * 1 m2 * 1 x 10^18 x 1 molecule = ___ The bottom row is: Top layer surface area * 10,000 cm2 * 1 m2 * 0.210 nm2 = ___ Then I have to find molecules/top layer Can anyone help me please???

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