Which of the following are geometric series? Select all that apply.
0.2 + 0.3 + 0.4 + 0.5
0.2 + 0.6 + 1.8 + 5.4
2 + 10 + 50 + 250
2 + 4 + 6 + 8
22 + 20 + 18 + 16
20 + 10 + 5 + 2.5
Identify the value of r and a1 for each geometric series.
0.2 + 0.6 + 1.8 + 5.4
r =
a1 =
2 + 10 + 50 + 250
r =
a1 =
20 + 10 + 5 + 2.5
r =
a1 =
+5
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Home » Mathematics » Which of the following are geometric series? Select all that apply. 0.2 + 0.3 + 0.4 + 0.5 0.2 + 0.6 + 1.8 + 5.4 2 + 10 + 50 + 250 2 + 4 + 6 + 8 22 + 20 + 18 + 16 20 + 10 + 5 + 2.5 Identify the value of r and a1 for each geometric series. 0.2 + 0.