Si se tiene 15 grs de Niquel puro y se pone a reacionar con 20 ml de HNO3 al 54%, ¿cual es la pureza del Ni(NO3)2? Ecuación: Ni + HNO3 = Ni(NO3)2 + NO2 + H2O
Con la ecuacion porfa

in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.

catya that's not even a b or c

explanation:

0.07 g/cm³

1.37 g/cm³