4 ms·Did you also pick e?by emeraldd 11y agoDid you also pick e?veddox 11y agoNo, I went with 4: a) it's even b) 2+2 c) 2*2 d) 2^2roryokane 11y agoe) 2↑↑2 f) 2↑↑↑2 g) 2↑↑↑2 … (https://en.wikipedia.org/wiki/Knuth%27s_up-arrow_notation https://en.wikipedia.org/wiki/Knuth%27s_up-arrow_notation)