Question

show that
-2/3-4/-5-1/2=-11/30

Answer 1

Step-by-step explanation:

Nitric acid, also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. Most commercially available nitric acid has a concentration of 68% in water.

Answer 2

Answer:

here is the answer

Step-by-step explanation:

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