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

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Question 148451This question is from textbook Elementary and Intermediate Algebra
: Diameter of a circle. If the diameter of a circle is 1.3 x 10(-12) meters, what is its radius? This question is from textbook Elementary and Intermediate Algebra

Answer by mangopeeler07(462) About Me  (Show Source):
You can put this solution on YOUR website!
1.3 x 10(-12) is the diameter, and the radius is half of that. So just multiply 1.3 x 10 by half of what you already did. What I mean is this:

1.3%2A10%28-12%29 becomes 1.3%2A10%28-12%2F2%29

Simplify that and get 1.3%2A10%28-6%29

1.3%2A10%28-6%29 meters is the radius.