10nCr6 over 6nCr3 this should give you the answer
The probability that the number selected is the square of a natural number will be
.
<h3 /><h3>What is probability?</h3>
Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1.
Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.
P is the probability
F(E) is the favorable event
T(E)is the total event
The probability is found as;

Hence the probability that the number selected is the square of a natural number will be
.
To learn more about the probability link is given below.
brainly.com/question/795909
Answer:
28 inches
Step-by-step explanation:
The circumference is given by
C = pi *d
C = 22/7 ( 9)
C =198/7
=28.28571429 inches
35%
divide whatever number you get move the decimal two spaces to the right and that is the percent.