Final answer:
Significant figures are the digits that carry meaningful information in a number, and it is important to round answers to the correct number of significant figures. Units are used to describe the quantity being measured and should be included in answers. Follow the given instructions, show all necessary calculations, and round to the correct number of significant figures in your final answer.
Step-by-step explanation:
Significant figures:
Significant figures are the digits in a number that carry meaningful information. When expressing answers to problems, it is important to round to the correct number of significant figures. For example, if a measurement has three significant figures, the answer should also be rounded to three significant figures.
Units:
Units are used to describe the quantity being measured. It is important to include the correct units in our answers to provide clarity and to ensure that the answer is complete and accurate. When performing calculations, make sure to keep track of units and convert as necessary.
Step-by-step explanation:
To answer each problem, follow the given instructions and show all the necessary calculations. Make sure to round to the correct number of significant figures and include the appropriate units in your final answer.