Sum of Finite Series

Which of the following represents the SUM of a geometric series with 8 TOTAL terms and whose FIRST TERM is 3 and whose COMMON RATIO is 4?

• 32,756

• 42,560

• 28,765

• 65,535

Find the sum of the first 25 terms of the series: 6+14+22+30+...

• 450

• 2550

• 2650

• 550

What is the sum of the first 8 terms of the geometric sequence: 1 , 3 , 9 , 27 , . . . ?

• 3,260

• 3,270

• 3,280

• 3,290

What is the sum of the first ten terms of the sequence 4, -12, 36, -144 . . . ?

• 59,050

• -59,048

• -78,732

• 118,096

• 2450
• 4800
• 2400
• 9700

• 149
• 11,200
• 5,600
• 140

Find the sum of the series

• -220

• -230

• -225

• -227

• 196
• 392
• 49
• 254

Find the indicated sum