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Physics 8 Online
OpenStudy (anonymous):

Estimated answers are 1. valuable because they are determined accurately and slowly. 2. not useful because they are less accurate than a detailed calculation. 3. not useful because they are just a guess. 4. valuable because they force you to think about the problem and determine a value quickly.

OpenStudy (shane_b):

Which one makes the most sense to you?

OpenStudy (anonymous):

i think...the last one.

OpenStudy (anonymous):

Sounds like Fermi questions up in here! :D

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