Find the 6th term of the sequence which has a first term of 72 and has a common ratio of 0.5 round your answer to the nearest hundredth if necessary

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asked Feb 23, 2018 173k views

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Phazor · Answer 1 · 2018-02-27T20:37:57+0000

xn = ar^(n-1)
n = term to find = 6
a = 1st term = 72
r = common ratio = 0.5
now we sub
x6 = 72 * 0.5^(6-1)
x6 = 72 * 0.5^5
x6 = 72 * 0.03125
x6 = 2.25 <===

Find the 6th term of the sequence which has a first term of 72 and has a common ratio of 0.5 round your answer to the nearest hundredth if necessary

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