alleryHow is 2 × x × y usually written in algebra?
A2 + xy
Bx2y
C2xy
D2^xy
Answer & Solution
Correct answer: C. 2xy
1. Multiplication signs are usually left out in algebra.
2. A coefficient written next to variables means multiplication, giving 2xy.
3. 2 + xy uses addition and x2y puts the coefficient in the wrong place.
_Source: Wikipedia, Elementary algebra, Algebraic notation_
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