32_, _, _, 162 (geometric)
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Answer:
32,48,72,108,162
Step-by-step explanation:
In a geometric series, we go from one term to another by multiplying by some number
r
. So if we call our first missing term
x
, we know the following:
32
⋅
r
=
x
x
⋅
r
=
72
Step-by-step explanation:
An=A1r^n-1
162=32r^5-1
162=32r^4
32 32
81/16=r^4
then find the 4th root of each side
3/2=r
32x3/2= 48 2nd term
48x3/2= 72 3rd term
72x3/2= 108 4th term