Reglas De Redoneo Flashcards

1
Q

Tenemos que sumar y restar con igual numero decimales

A

Utilizar dos decimales para el calculo de masa moleculares

MMr HCl = 1.01 uma + 35.45 uma = 36.46 uma

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2
Q

Multiplicación y division: Numero cifras significativas igual al del menor de los factores

A

19.8 x 3.567 = 70.6
10.5/ 2.9 = 3.6

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3
Q

Reglas del redondeo

A

0-4 down
5-9 up.

40.51230 = 41

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