Help me clarify please!

I am calculating the overall mass for an atom. In other words, the whole number. I'll try to go in depth of what I mean.

Let's take a look at Germanium.

Its mass is 72.61.

When calculating the whole number as the overall atomic mass, do I input 72 or 73? Am I required to round at all times?

Answers

Answer 1

Answer:

Round to the number of significant figures in the original question. However, if you're going to proceed with further calculations using this mass, it's best not to round, as rounding will cause your answer to be less precise.

Explanation:


Related Questions

Queremos preparar 250 cm3 de disolución de sal en agua, con una concentración de 5 g/l. ¿Qué cantidad de sal debemos disolver en agua?

Answers

Este problema indica el volumen deseado de una solución (250 cm³) cuya concentration es de 5 g/L y pregunta la cantidad de sal que se debe disolver.

De este modo, dado que el volumen y la concentración están en distintas unidades, debemos convertir una de ellas a la de la otra, en este caso los cm³ a L como se muestra a continuación:

[tex]250cm^3*\frac{1L}{1000cm^3}= 0.250L[/tex]

Seguidamente, multiplicamos el volumen previamente obtenido por la concentración con el fin the encontrar los gramos de sal:

[tex]0.250L*5\frac{g}{L} \\\\=1.25 g[/tex]

Así, esto indica que se deben disolver 1.25 gramos de sal para este requerimiento.

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The rate of heat transfer by radiation is best described by which statement?
-has no dependence on temperature
-inversely proportional to area
-requires a medium to propagate
-does not require a medium to propagate

Answers

requires a medium to propagate

Explanation:

due to radiation z a dispersion of light ray into different multiple

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