if the diameter of a circle is 1.3*10power -12, what is the radius?

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asked by Simone
  1. Diameter = 1.3 * 10^-12.
    Radius = (1.3 * 10^-12)/2 =
    0.65 * 10^-12 = 6.5 * 10^-13.

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    posted by Henry
  2. Thx!!

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    posted by Simone

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