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

asked Sep 12, 2019 203k views

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

Answer is 2.5 * 10^-9

Michael Hilus answered Sep 17, 2019

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