3. Use the formula to evaluate the series 1 - 2 + 4 - 8+ ... - 10.
Sn
a1(1-7)
1-r
In the formula for a finite series, a, is the first term, r is the common ratio, and n is the number of terms.
-341
You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?
Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?