The 8th

The 8th term of GP is greater than the 5th term, and the 10th term is 10 times the 2nd term find:
1) the common ratio
2) 20th term

Correct answer:

r =  1.3335
a20 = ?

Step-by-step explanation:

a8>a5 => r>1 a10 = 10 a2 a2 r 102 = 10   a2 r 102 = 10  r8 = 10  r=810=1.3335
a20=r10 a10=1.333510 a10=?  a20=?

Did you find an error or inaccuracy? Feel free to write us. Thank you!

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: