If I had to choose, I would choose the first one because of process of elimination and because it made the most sense.
Approximately 12 hundred years ago
Answer:The following are unreliable sources because they require confirmation with a reliable source: Wikipedia: although this is a good starting point for finding initial ideas about a topic, some of their information and attached resources may not be reliable. Blogs, tweets. ... Sites that provide biased information.
Explanation:
So that it is relative in comparison to other scientists for example, if people in the us used Canadian money, Mexican money, and Australian money, it would be hard to keep track of how much it was worth in comparison to each other bc the Australian money can be worth more/less so it's easier to stick with 1 form
Answer:
2.3
Explanation:
take the whole number, and add the 3/10 (.30)