Answer:
200
Step-by-step explanation:
2×2×2=8
5×5=25
8×25=200
an = -4 * (-3)^ (n-1)
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We can find the common ratio
12/-4 = -3
r =-3
The explicit formula is
an =a1 r^(n-1)
We want the 18 th term
a 18 = -4 (-3) ^ 17
The distance is Ten