Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.

A. 120
B. 248
C. 340
D. 24


Answer: B

Mathematics

You might also like to view...

Find the values of a1, a2, a3, and a4.an = sin (n?)

A. 0, 0, 0, 0 B. 1, 0, -1, 0 C. 1, 1, 1, 1 D. 0, 1, 0, -1

Mathematics

Write the number in scientific notation.67,000

A. 6.7 x 10-4   B. 6.7 x 10-5 C. 6.7 x 105 D. 6.7 x 104

Mathematics

Match the numerical model to the corresponding model.

A. y = x + 60 B. y = 60-2x C. y = 60-2x2 D. y = 60-x2

Mathematics

Identify the equation without completing the square.3x2 + 4y2 + 2x + 3y = 0

A. hyperbola B. ellipse C. parabola D. circle

Mathematics