Final answer:
Double-checking the details after completing a task helps identify potential mistakes, ensures a high level of accuracy, and improves the reliability of the final results.
Step-by-step explanation:
Double-checking the details when you believe a task is complete is important for several reasons. First, it serves as a method to identify possible mistakes and encourages a closer examination of your work. Experts know that their first intuition or calculation might need review.
Second, in processes like calculations, it is recommended to carry two extra significant figures through to the final step and then round according to significant figure rules, aiming for precise and reliable results. Lastly, reviewing your work helps you assess whether you need major revision or minor tweaks, and allows you to make a to-do list to efficiently address any issues.
In scientific work, where precision is critical, more rounding can result in less reliability. Therefore, an approximate value may be suitable for some jobs, but for scientific inquiries, a higher level of precision is required. Ultimately, re-examining your completed task ensures that your answer is reasonable and that you have answered all aspects of the problem, thereby improving the quality and accuracy of your work.