arianadpineda arianadpineda

Today at 2:19 PM
Mathematics

Answered

why is -21 plus 21 zero

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jgillenwater jgillenwater

Today at 2:25 PM

Answer:

Becuse thats what my calculator says

Step-by-step explanation:

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Kenshnicole29 Kenshnicole29

Today at 2:24 PM

Answer:

-21 is behind zero and 21 is above zero when adding the -21 tot he 21 you get 0 in other words they are equivalent numbers it would be the same it it were -19 and 19

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