Register
What is the explicit formula 0.5,-0.1,0.02,-0.004,0.0008
114k views
4 votes
What is the explicit formula 0.5,-0.1,0.02,-0.004,0.0008

User Caffeinated
by
7.4k points

1 Answer

7 votes
-0.1 / 0.5 = -0.2
0.02 / -0.1 = -0.2

common ratio = -0.2

Geometric Sequence

an = a1 r^(n-1)

an = 0.5 * -0.2^(n-1)
User Medin Piranej
by
7.7k points
← Prev Question Next Question →

Related questions

User Alwin
asked Nov 26, 2017 159k views
Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...
Alwin asked Nov 26, 2017
by Alwin
8.5k points
2 answers
0 votes
159k views
User Udibr
asked Feb 23, 2017 219k views
Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...
Udibr asked Feb 23, 2017
by Udibr
8.5k points
1 answer
5 votes
219k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!