SOLUTION: If the diameter of a circle is 1.3X10^-13 meters then what is the radius? Could somebody please help me with us? I do not know how to do this problem. Ty in advance. Judy

Question 175860: If the diameter of a circle is 1.3X10^-13 meters then what is the radius? Could somebody please help me with us? I do not know how to do this problem. Ty in advance. Judy
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If the diameter of a circle is 1.3X10^-13 meters then what is the radius? Could somebody please help me with us? I do not know how to do this problem. Ty in advance. Judy
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The radius is 1/2 the diameter.
1.3X10^-13 meters is 13*10^-14 m
Half of that is 6.5*10^-14 m
Is that clear?
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You can do it this way, too
Half of 1.3*10^-14 m is 0.65*10^-13 m
That's 6.5*10^-14 m
Same answer.
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