Ahuge ping-pong tournament is held in beijing with 65,536 participants at the start of the tournament. each round of
the tournament eliminates half the participants.
c. how many rounds of play will it take to determine the champion ping-pong player?

After 16 rounds the champion of Ping-Pong player can be determined.

Step-by-step explanation:

This is an example of geometric progression,

First term = 65,536

Now we need to find which term is 1 in this GP.

N th term of GP is given by

Substituting

Seventeenth term of this GP is 1.

That is after 16 rounds the champion of Ping-Pong player can be determined.

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%