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erica [24]
3 years ago
10

Determine whether each expression is meaningful as  a real number  yes or no?   -√9

Mathematics
1 answer:
Sonja [21]3 years ago
8 0
Yes\ -\sqrt9\ is\ real\ number\\\\-\sqrt9=-3\ is\ integer\ number\\\\-\sqrt{a}\in\mathbb{R}\ for\ any\ a\geq0
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