Explore a wide range of topics and get answers from experts on IDNLearn.com. Ask anything and receive immediate, well-informed answers from our dedicated community of experts.

Find the 91st term of the arithmetic sequence 4, 6, 8,

Sagot :

Answer:

184

Step-by-step explanation:

Find the common difference first   d = 6 - 4 = 2

first term  a_1  = 4

a_n = (n -1)*d + a_1

a_91 = (91 - 1) * 2 + 4

a_91  is the 91st term:

a_91 = 90*2 + 4

a_91 = 180 + 4 = 184