1.15 ¿Cual número es mayor en cada uno de los siguientes pares?

A: 7.2 x 103 o 8.2 x 102 cm
B: 4.5 x 10-4 kg o 3.2 x 10-2 kg
C: 1 x 104 L o 10-4 L
D: 0.000 52 m o 6.8 x 10-2 m

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

answersilicon (si); oxygen (o);

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