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- If you have no idea of the answer (taken from Prof. Smith’s 22.251 slides 2013 fall): *
- Say so, don't bs.
- Start with something related that you know of, describe the process you would use to get the answer, and regain your composure and confidence.
- * Be able to estimate the order of magnitude of quantities. Be careful about the units. Be careful about the sign (e.g., positive vs. negative temperature coefficients). Good examples: first day exam from 22.211(fall 2011), 22.251 (fall 2013).