Explicit formula for the sequence 29,20,11....... is 
Given :
term of the sequence 29, 20, 11, ...
We need to find out the formula for the nth term of the given sequence
Lets find out whether the given sequence is arithmetic or geometric
In the given sequence , common difference is 9

we can say difference =-9
General explicit formula

where a1 is the first term
common difference d=-9
substitute the values

Explicit formula for the sequence 29,20,11....... is 
Learn more : brainly.com/question/23243640
Answer:
56
Step-by-step explanation:
Answer:
1/9^5
Step-by-step explanation:
Yeah you're correct, 9^2/9^7 = 1/9^(7-2).
Answer:
The triangle is 1, since 10 - 1 is 9.
Hope that helps!
Step-by-step explanation: