(a) Find the seventh term of a geometric progression,if the second term is 9 and the 11th term is 100.

(a) Find the seventh term of a geometric progression,if the second term is 9 and the 11th term is 100.

(b) Find the sum of a 10-term geometric progression if the first term is 59049 and the common ratio

is −2/3.

(c) Find four numbers in geometric progression,if the first two add up to 44, and the other two add up

to 396.