1. Answer: People didn't have to trade goods.
Explanation:
With a unitary currency, trading goods became easier. It also allowed people to have a standardized form of trading, where each commodity had the same value for everyone. Also, money it made possible for people not to have goods and still trade and buy stuff. It also allowed them not to carry their commodity around when they wanted to trade. Money was a precondition for open market and competition. Money was a starting point for credit system and banking.
2. Answer:
Paper money was easier to handle and carry around. It is also fictional because, it has no other value, but the value people gave it in order to recognize it as an official form of money. It is originally issued by banks, and is a legal requirement for buying commodity. First paper money originated in South-East Asia and China. A disadvantage for paper money is that it makes inflation possible, which is made financial crises, because the money loses all of its value.
3. Answer:
The best thing to put on the coin is a symbol of the state - a government's house, or some former leader - founding father of the country. This symbol should be on the back of a coin, while on the front there should be the amount of money this coin represents. While coins nowadays represent small amounts of money, there should be a denomination of 1 or 2 on the front side of the coin.
Answer:The GDP of a country tends to increase when the total value of goods and ... held constant from year to year in order to separate out the impact
Explanation:
The strength of an association between variables is described by correlation, and it is typically captured by the correlation coefficient.
Its value ranges from-1 to +1. These are perfect positive and perfect negative correlations. Variables moving in the same direction are with positive correlation. And opposite moving variables are with negative correlation. All data points of a perfect correlation which ranges from -1 to +1, lie on a straight line.
The correlation coefficient shows the strength and direction between the two variables.
The most common method of calculating correlation is Pearson product correlation. Pearson correlation measures the linear relationship between two variables.
To learn more about correlation coefficient here
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possible answer: "If Justin went to sleep earlier, he could eliminate the need to wake up with an alarm clock. His tiredness probably stems from not getting enough sleep. If his body was fully rested, it would wake up on its own. Combining going to bed earlier with getting rid of the alarm clock (except as an emergency device for when he accidentally slept in) would probably improve Justin’s sleep."
