Answer:
The interest rate of the account is 
Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above and solve for r

![r=4*[(2,830.97/1,863)^{1/56}-1]\\ \\r= 0.03](https://tex.z-dn.net/?f=r%3D4%2A%5B%282%2C830.97%2F1%2C863%29%5E%7B1%2F56%7D-1%5D%5C%5C%20%5C%5Cr%3D%200.03)
Convert to percent

It’s A for the value of the function u asking for
√62 is your answer
√62 = 7.87400787... (continuing)
hope this helps
X = 10 * 3^n
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<h2>
Answer: -50.4</h2>
Step-by-step explanation: -6.3 x 8 = -50.4