Which temperature is more precise 980 degrees, 45.5 degrees, 30 degrees, 75 degrees

7+(3n++8) what is the answer to this?

For the following equations, find the ratio of a to b. be sure to show all of your work. a. 3a = 6b b. 15a = 5b

In chemistry,n molecules of an ideal gas have pressure, volume, and tempersture that stand inthe following relation, where r is constant. solve the equation for n,the number of molecules. pv=nrt