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Problem 1 Easy Difficulty

Natural uranium ore contains about 0.720$\%$ of the fissile uranium $-235$ isotope. Suppose a sample of uranium ore contains $2.50 \times 10^{28}$ uranium nuclei. Determine the number of uranium-235 nuclei in the sample.

Answer

$n=1.80 \times 10^{26}$

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Top Physics 103 Educators
Elyse G.

Cornell University

Farnaz M.

Other Schools

Zachary M.

Hope College

Aspen F.

University of Sheffield

Video Transcript

So, given the total number of uranium new kleiss ISS 2.5 times sent power off to eat. And we want to find a number off your name to treat five. I sort of inside this amount off your place and were given to you percentage off you never 235 is 0.72% after the total number of you guys. So I have to do is to take 0.72% off the entire operation off your interview cuts that is in over here every shoot get 1.8 Don't send politics six.

National University of Singapore
Top Physics 103 Educators
Elyse G.

Cornell University

Farnaz M.

Other Schools

Zachary M.

Hope College

Aspen F.

University of Sheffield