in Jobs & Employment by (64.5k points)

Question: Using the 7:10 Rule of Thumb, how long will it take an exposure rate of 1,000 R/hr, measured l-hour after detonation, to decrease to 10 R/hr?

Options:

  1.  7 hours
  2.  10 hours
  3.  49 hours
  4.  100 hours

Please log in or register to answer this question.

1 Answer

0 votes
by (255k points)
selected by
 
Best answer

3. 49 hours

Using the 7:10 Rule of Thumb, it will take 49 hours for an exposure rate of 1,000 R/hr, measured l-hour after detonation, to decrease to 10 R/hr.

Related questions

...