Find the sum of the infinite geometric series, if it exists.
4-1+1/4-1/16+...
A. - 1
B. 3
C. 16/5
D. does not exist

Solve the problem. Round to the nearest dollar if needed. Looking ahead to retirement, you sign up for automatic savings in a fixed-income 401K plan that pays 5% per year compounded annually. You plan to invest $3500 at the end of each year for the next 15 years. How much will your account have in it at the end of 15 years?

A. $77,295

B. $75,525

C. $76,823

D. $73,982

Find the term indicated in the expansion.

(x - 3y)^11; 8th term

A. -721,710x^7y^4

B. -721,710x^4y^7

C. 240,570x^7y^4

D. 240,570x^4y^8

Question

Find the sum of the infinite geometric series, if it exists.
4-1+1/4-1/16+...
A. - 1	
B. 3	
C.  16/5
D. does not exist

Solve the problem. Round to the nearest dollar if needed. Looking ahead to retirement, you sign up for automatic savings in a fixed-income 401K plan that pays 5% per year compounded annually. You plan to invest $3500 at the end of each year for the next 15 years. How much will your account have in it at the end of 15 years?

A. $77,295

B. $75,525

C. $76,823

D. $73,982

Find the term indicated in the expansion.

(x - 3y)^11; 8th term

A. -721,710x^7y^4

B. -721,710x^4y^7

C. 240,570x^7y^4

D. 240,570x^4y^8

raden · Answer

use the formula :
S = a/(1-r)
in this case, a=4, r=-1/4

anonymous · Answer

@RadEn what about the other two?