Ask a New Question

Write a possible explicit rule for the nth term.

20, 40, 80, 160, 320

a sub n = 20(2)^n-1?

2 answers

That seems to work.

You're doubling the number.e.g. 20 +20 =40

Similar Questions

Write a possible explicit rule for the nth term.1/2, 1/4, 1/6, 1/8, 1/10
1. 2 answers
Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term.5, -10, 20, -40, 80, -160....
1. 1 answer
The third and sixth terms of a geometric sequence are -75 and -9375 respectively. Find the first term, the common ratio, and an
1. 1 answer
-3, 12, -48, ... Write the explicit and recursive formulas for the geometric sequence. Use your explicit formula to calculate
1. 2 answers

more similar questions