Ads galore makes posters with standard dimensions of 81/2 inches by 11 inches.
1 answer:
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Answer:
=0.00015241579
Step-by-step explanation:
Use the formula for geometric sequences:
=
Substitute 1 in for , -1/3 in for r, and 9 in for n
=(1)(-1/3^9-1)
=(1)(-1/3^8)
=(1)(0.00015241579)
=0.00015241579
Hope this helps! :)