4) If the actual measurement is 1.85 mL, write 4 measurements that demonstrate both accuracy and precision
Data in mL
Trial
1
2
3
4
DS
6) Identify the number of significant figures
a) 0.004489050
b) 100
c) 250.
d) 0.05200000

am i too late?

explanation:

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.