5 ms·
> So 34 times 15 is ... We who knows our powers of two do 34 ~= 2^5 15 ~= 2^4 2^5 * 2^4 = 2^9 = 512
by jonsen 5y ago
> So 34 times 15 is ...
We who knows our powers of two do
34 ~= 2^5
15 ~= 2^4
2^5 * 2^4 = 2^9 = 512
- tombert 5y agoI'm embarrassed to admit that I know my powers of two pretty well, and I didn't even think of this trick.