The correct answer is <span>c) very small and very large
Let's see this with a few examples: 1) if we have a very small number, such as </span> <span>we see that we can write it easily by using the scientific notation: </span> <span>2) Similarly, if we have a very large number: </span> <span>we see that we can write it easily by using again the scientific notation: </span><span> </span>