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±√400 can someone help show steps pls

±√400 can someone help show steps pls
asked 133k views
5 votes
±√400 can someone help show steps pls

asked
User Gerardw
by
8.2k points

1 Answer

5 votes
The square root of 400 can be positive 20 or negative 20. 20x20=400. -20x-20=400. Hope this helps! ;)
answered
User Julie Rankata
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