The Amount of investment equals $974.83.
The continuous compound interest helps to calculate an investment that are reinvested into the balance over a infinite number of periods.
- The formula for continuous compound interest is A=P^e^(r*t)
Amount of investment = $535 * e^(6%*10)
Amount of investment = $535 * 1.82211880039
Amount of investment = $974.833558209
Amount of investment = $974.83
Therefore, the Option B is correct since the Amount of investment equals $974.83.
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The best scale and interval to adopt for the amount of Fluoride axis would be 0 to 8 with intervals of 0.2
To make a decision on the scale and interval to adopt when making a graph ;
- We need to examine the the range of the values in the distribution.
- Data for the amount of Fluoride ranges from 0.4 to 7.1
- The number of values in the distribution is 7.
- Lower scale value must be below the minimum Fluoride value preferably 0
- Maximum scale value must be above the maximum Fluoride value.
- Hence an interval of 0 to 8 would suit the axis.
- The interval is the value of each unit represented on the graph.
- A scale of 4 would be too large to depict all the 7 values with an interval of 8 units
- Hence, the most reasonable scale from the option would be 0.2 as it would allow the points to be properly spaced on the graph.
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