SOLUTION: Diameter of a circle. If the diameter of a circle is: 1.3 � 10^-12 meters, then what is its radius? 1.3�10^-12 = .000000000013 I think I did this part right

Question 323519: Diameter of a circle. If the diameter of a circle is:
1.3 � 10^-12 meters, then what is its radius?
1.3�10^-12 = .000000000013 I think I did this part right.
Can someone give me help with this problem. Thank you.
Found 2 solutions by rfer, Alan3354:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
you are one zero short.
count 12 to the left from the decimal point.
Then divide by two for the radius.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If the diameter of a circle is:
1.3 � 10^-12 meters, then what is its radius?
---------------------
r = half of d
r = 1.3 � 10^-12 meters = 0.65*10^-12 m
r = 6.5*10^-13 meters

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