Geometric Series 2

Find the sum of n terms. $a_1=5,\ r=10,\ n=6$  

• 555,555

• 55,555

• 575

• 55

Tags

CCSS.HSA.SSE.B.4

Which shows the series for the following?  $a_1=5,\ r=10,\ n=6$  

• 5+50+550+5550+55550+555550

• 5+50+500+5000+50000+500000

• 5+50+500+5000+50000

• 6+60+600+6000+60000

Tags

CCSS.HSA.SSE.B.4

Find the sum. $\sum_{n=1}^8\left(-2\right)^n$   

• 510

• -170

• 170

• -510

Tags

CCSS.HSA.SSE.B.4

Find the sum. $\sum_{k=1}^6100\left(\frac{1}{2}\right)^k$   

• 49.21875

• 98.4375

• 1575

• 157.5

Tags

CCSS.HSA.SSE.B.4

Write the sum as a series. $\sum_{k=1}^6100\left(\frac{1}{2}\right)^k$   

•  $25+50+100+200+400+800$  

•  $100+50+25+\frac{25}{2}+\frac{25}{4}+\frac{25}{8}$  

•  $50+25+15+5+1+\frac{1}{5}$  

•  $50+25+\frac{25}{2}+\frac{25}{4}+\frac{25}{8}+\frac{25}{16}$  

Tags

CCSS.HSA.SSE.B.4

Write the sum as a series. $\sum_{n=1}^8\left(-2\right)^n$   

•  $-2+4+-8+16+-32+64+-128+256$  

•  $-2-4-8-16-32-64-128-256$  

•  $2-4+8-16+32-64+128-256$  

•  $2+4+8+16+32+64+128+256$  

Tags

CCSS.HSA.SSE.B.4

Write the series as a sum. $\sum_{r=1}^53^r$   

•  $3+6+9+12+15$  

•  $3+9+27+81+243$  

•  $\frac{1}{3}+\frac{1}{9}+\frac{1}{27}+\frac{1}{81}+\frac{1}{243}$  

•  $\frac{1}{3}+\frac{1}{6}+\frac{1}{9}+\frac{1}{12}+\frac{1}{15}$  

Tags

CCSS.HSA.SSE.B.4

Find the sum. $\sum_{r=1}^53^r$   

• 241

• 361

• 243

• 363

Tags

CCSS.HSA.SSE.B.4

The terms of a geometric series have a _________ called r.

• common difference

• common ratio

• sum

• sequence

Find the sum. $\sum_{n=1}^{10}\frac{1}{4}\left(4\right)^n$   

• 1,908

• 262,144

• 349,525

• 1,048,576

Tags

CCSS.HSA.SSE.B.4