A what is 0 multiplied by k?
Any real Number multiplied by 0 is 0!
$$\infty * 0 \text{ is u n d e f i n e d and not 0 }$$, because $$\infty \text{ is not a real number }$$
Anything multiplied by 0 is 0.
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heureka is correct.
unless 0! refers to 0 factorial which is 1.
I know that Heureka did not mean this though. LOL