Answer:
x = ± 10
Step-by-step explanation:
- 5x² = - 500 ( divide both sides by - 5 )
x² = 100 ( take square root of both sides )
x = ± = ± 10
That is x = - 10 or x = 10
An atom with 5 protons 6 neutrons and 8 electrons has what mass number
1 answer:
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