Sort the numbers based on the numbers of significant figures they have 0.0093 120.9 1,000 1.008 670 0.184 1.30 - one significant figure - two significant figures - three significant figures - four significant figures

Explanation:

A digit or number that contains number from 1 to 9 is known as a significant figure. In between two significant numbers if any zero occurs then it is also considered as significant.

Therefore, the given numbers are sorted as follows based on the numbers of significant figures they have:

hi,

the capital city of australia is canberra.

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.