First, determine the common ratio by the equation, an = a1 x r^(n - 1) Substituting the values, -8748 = 4 x r^(8 - 1) The value of r is -3. By the same equation, the 16th term is, a16 = 4 x (-3)^(16 - 1) a16 = -57,395,628 Thus, the answer is the second choice.
