SOLUTION: Diameter of a circle. If the diameter if a circle is 1.3 x 10 (to the power of -12) meters, then what is its radius?

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Question 301894: Diameter of a circle. If the diameter if a circle is 1.3 x 10 (to the power of -12) meters, then what is its radius?
Answer by london maths tutor(243) About Me  (Show Source):
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Radius = diameter / 2
diameter = 1.3 x 10^(-12)
Radius = 1.3/2 x 10^(-12)
= 0.65 x 10^(-12)
= 6.5 x 10^(-13)