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k123p k123p
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6 years ago
If the intensity of radiation 1.0 m from a source is 300. mCi, what is the intensity 3.0 m from the source?
 A) 100. mCi
  B) 33 mCi
  C) 9.0 x 102 mCi
  D) 2.7 Ci
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sweetpeajezzysweetpeajezzy
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6 years ago
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k123p Author
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6 years ago
Good timing, thanks!
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Yesterday
Correct Slight Smile TY
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2 hours ago
Brilliant
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