67, wrote python to do it. Also u in my aops class right? who r u? cheater
def TrailingZeros(n): count = 0
i=2 while (n/i>=1): count += int(n/i) i *= 2
n = 66
Ah these are AOPS questions.
Hint for nr. 3.
We know that the 4 sides are equilateral triangles, and then we can find slant height. Using pythag, we can then find the height of the pyramid.
When you see dollar signs, usually AOPS.
answer is 37*3
Do it yourself. Ya know how equilateral triagles work? Do that.
Clearly comes from AOPS, probably.
You have a cheap motorcycle, worth 2 cents.
You sell it for ten quintillion megabucks.
this one ez
i'm guessing you don't want a solution
ans is A,B,D,C
and it is false