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
return int(count)
n = 66
print(TrailingZeros(n)//3)
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.
120-4-5
complementary counting.
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
