an = a1 (r)^n-1
81, _ , _ , _ , _ , 16
an = a1 (r) ^n - 1
81 = 16 (r) ^ 6 - 1
81 = 16 (r) ^5
5.0625 = r^5
r^5 = 5.0625
r = 5√5.0625
r = 1.38
81, 58.7, 42.5, 30.8, 22.3, 16
hindi ko po sure kung pwede mo siyang iround off nalang, pero ayan po in decimal form.
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Answers & Comments
an = a1 (r)^n-1
81, _ , _ , _ , _ , 16
an = a1 (r) ^n - 1
81 = 16 (r) ^ 6 - 1
81 = 16 (r) ^5
5.0625 = r^5
r^5 = 5.0625
r = 5√5.0625
r = 1.38
81, 58.7, 42.5, 30.8, 22.3, 16
hindi ko po sure kung pwede mo siyang iround off nalang, pero ayan po in decimal form.