A New York Volleyball Association invited 64 teams to compete in a tournament. After each round, half the teams were eliminated. Whats the equation that represents the number of teams t, that remained in the tournament after r rounds?

Question

anonymous · Answer

t= 64^(1/2r)

anonymous · Answer

err
That should be not raised but multiplied

anonymous · Answer

no... that's still wrong.
t= 64 * (1/2^r) is right

anonymous · Answer

yup, multiplied

anonymous · Answer

no, it's multiplied
exponent doesn't make sense

anonymous · Answer

it makes complete sense, you need the exponent since each round you are multiplying by 1/2

anonymous · Answer

theres 4 answers sry bout that....
(1)t=64(r)^0.5       (3)t=64(1.5)^r
(2)t=64(-0.5)^r      (4)t=64(0.5)^r

anonymous · Answer

no wait 
you're right
you need exponents
it should be t=64(1/2)^r
i take back what i said

anonymous · Answer

That's number 4 btw lilgumbunny

anonymous · Answer

Kk thx a bunch!