Well explained, but 2^4 \* 2^4 doesn't take into account the "different powers" ... | Hacker News

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gbaygon on Dec 5, 2011 | parent | context | favorite | on: Harvard 1869 entrance exam

Well explained, but 2^4 * 2^4 doesn't take into account the "different powers" part.

lobo_tuerto on Dec 5, 2011 [–]

2^3 == 2 * 2 * 2

2^2 == 2 * 2

2^3 * 2^2 == 2 * 2 * 2 * 2 * 2 == 2^5

gbaygon on Dec 5, 2011 | [–]

The explanation is trivial, what i meant is that using 2^4 * 2^4 as an example will make you fail this point of the exam.

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