Kendra flips a coin 3 times. What is the probability that she flips tails all 3 times?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

I’m confused on how to work the pie charts

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319