dondre54
22.04.2021 •
Mathematics
Find the 18th term as well as the sum of the 1st twenty three terms of each of the
following arithmetic sequences:
a) 4; 7; 10; …………….
b) -15; -8; -1; …………
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Ответ:
9/81
Step-by-step explanation:
I did 3 to the second power then 3 to the fourth power. Then put them on top of each other. If the over is supposed to mean division then the answer would be 9.