Find the cube of 20 A. 40 B. 400 C. 800 D. 8000
2 answers:
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Answer:
Look at the pic
Step-by-step explanation:
I hope I did it right...I haven't touched this topic a long time
Answer:
Simple sum. The symbol Σ (sigma) is generally used to denote a sum of multiple terms. This symbol is generally accompanied by an index that varies to encompass all terms that must be considered in the sum.
