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Please answer question with formulas included please.

3. (25) Assume that you have a beam of thermal energy neutrons with an initial intensity of 104 n/cms: a) What is the neutron density in the beam? b) Calculate the uncollided neutron beam intensity after passing through cm of pure water. How many neutrons were absorbed?
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neuulrou nerto 2,200 mls n (0 7sxo(6.0231) 2. 18):/δ 3 he taptu olkedion is 33 Thus (10 00 7978) /3

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