# SOLUTION: If the diameter of a circle is 1.3 x 10-12power what is the radius?

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 Question 311420: If the diameter of a circle is 1.3 x 10-12power what is the radius?Found 2 solutions by Alan3354, stanbon:Answer by Alan3354(30993)   (Show Source): You can put this solution on YOUR website!If the diameter of a circle is 1.3 x 10-12power what is the radius? -------------- r is d/2 Answer by stanbon(57387)   (Show Source): You can put this solution on YOUR website!If the diameter of a circle is 1.3 x 10-12power what is the radius? ------------ r = (1/2)(1.3 x 10^-12) -------------------- 1.3x10-12 = 13x10-13 ----- So, r = (1/2)(13x10^-13) = 6.5x10^-13 ====================== Cheers, Stan H.