Find a1, r, an, n, or Sn for the geometric sequence, as instructed.r = -3, n = 4, S4 = 20; Find an.
A. -9
B. -1
C. 27
D. -81
Answer: C
You might also like to view...
Find the exact value of the real number y.y = sin -1 
A. 
B. 
C. 
D. 
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. - 
?
B. - 
?
C. -(1 + 2
) ?
D. - 
?
Use a graphing calculator to solve the given equations to the nearest 0.01.2x4 - x3 - 7x2 + 3x + 3 = 0
A. -1.70, -1, 0.50, 1.70 B. -1.73, -0.50, 1, 1.73 C. -1, 1, -1.70, 1.70 D. 1, 1.70, 2, -1.70
Solve the problem.A company had net revenues of $8,400,585 in one year. Write the words used to read the revenues.
A. eight million, four hundred thousand, five thousand, eighty-five B. eight million, forty thousand, five hundred eighty-five C. eight million, four hundred thousand, five hundred eighty-five D. eight million, four thousand, five hundred eighty-five