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galina1969 [7]
3 years ago
11

I need help with 13. What do I do with the parentheses?

Chemistry
1 answer:
wel3 years ago
5 0
With the parentheses you just multiple what’s inside them times what’s on the outside so for P it’s 1 x 2 = 2 and for O it’s 4 x 2 = 8.
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