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08-11-2018
Mathematics

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The width of a DNA molecule is about 2.5 nanometers. A nanometer is 0.000000001 meter. Write the width of a DNA molecule in scientific notation

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Аноним Аноним

08-11-2018

0.000000001 is 10^-9 in scientific notation ( as there are 9 digits after the decimal point)

Answer is 2.5 * 10^-9

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