82.9k views
4 votes
What is the first term of the series?

a1 =

Answer each question about the following
geometric series
10
k-1
S10 = 32
k-1
How many terms are in the series?
COMPLETE
Σ3(2): -
What is the last term of the series?
a1 =
1
DONE
2
9
10
COMPLETE

What is the first term of the series? a1 = ✓ Answer each question about the following-example-1
User KaraKaplan
by
3.3k points

2 Answers

5 votes

Answer:

3

1536

A

Explanation:

User Andrew Shooner
by
4.1k points
0 votes

Answer:

Below.

Explanation:

The first term (where k = 1)

= 3(2)^1-1

= 3*1

= 3,

The last term ( k = 10)

= 3(2)^(10-1)

= 3(2)^9

= 3* 512

= 1536.

User Itsho
by
3.5k points