Write 81 as a product of primes.
Use index notation when giving your answer.

Step-by-step explanation:

9 ÷ 3 = 3. Thus, we get the prime factorization of 81 = 3 × 3 × 3 × 3 which means that the only prime factor is 3.

3.76%

step-by-step explanation:

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0