91Ó°ÊÓ

Write the first five terms of each geometric sequence. $$a_{n}=-3 a_{n-1}, \quad a_{1}=10$$

Write the first six terms of each arithmetic sequence. $$a_{1}=200, d=-60$$

Write the first five terms of each geometric sequence. $$a_{n}=-5 a_{n-1}, \quad a_{1}=-6$$

Write the first six terms of each arithmetic sequence. $$a_{1}=\frac{5}{2}, d=-\frac{1}{2}$$

Write the first four terms of each sequence whose general term is given. $$a_{n}=(-1)^{n}(n+3)$$

Evaluate the given binomial coefficient. $$\left(\begin{array}{c}100 \\\2\end{array}\right)$$

$$\begin{array}{|l|c|c|c|c|} \hline & \text { Married } & \text { Never } & \text { Divorced } & \text { Widowed } & \text { Total } \\ \hline \text { Male } & 65 & 40 & 10 & 3 & 118 \\ \hline \text { Female } & 65 & 34 & 14 & 11 & 124 \\ \hline \text { Total } & 130 & 74 & 24 & 14 & 242 \\ \hline \end{array}$$ If one person is randomly selected from the population described in the table, find the probability, expressed as a simplified fraction and as a decimal to the nearest hundredth, that the person Among those who are divorced, find the probability of selecting a woman.

Write the first six terms of each arithmetic sequence. $$a_{1}=\frac{3}{4}, d=-\frac{1}{4}$$

Write the first four terms of each sequence whose general term is given. $$a_{n}=(-1)^{n+1}(n+4)$$

Write the first five terms of each geometric sequence. $$a_{n}=-6 a_{n-1}, \quad a_{1}=-2$$