1. What is the sixth term of a geometric sequence where the second term is 6 and the common ratio is 2
2. In the geometric sequence 6,12,24,48, ... which term is 768?
3. A certain culture of bacteria initially contains 1 000 bacteria and doubles every hour. How many bacteria are in the culture at the end of 10 hours?
4. Lyn wrote a letter and sends it to three friends. Each of the three friends writes the same letter and sends it to 3 other friends and the sequence is repeated. Assume that no one breaks the chain, how many letters will have been sent from the first through the sixth mailings? 1 5. Maki planned to on a holiday in December at one of the beach resort in Boracay. He started to save Php100 during the month of March and each month thereafter, doubles the amount he saved the month before. How much would have been saved by December?​