Answer:
Since the exponent of the scientific notation is positive, move the decimal point 66 places to the right.
4000000
Using the formula for simple interest, it is found that he paid $119.87 in interest.
The<u> simple interest formula</u> is given by:
- E is the amount of interest earned.
- P is the principal(the amount of money invested).
- I is the interest rate(yearly, as a decimal).
- t is the time, in years.
In this problem:
- Borrowed $2,700, thus

- Interest rate of 3.5%, thus

- From December 26, 2019 to February 21, 2021, there were 423 days, thus the time in years is

Thus, the interest paid was of:

$119.87.
A similar problem is given at brainly.com/question/9593067
Luckily for us, this problem solved the bulk of its own question!
Now, all we have to do is solve for "x", or the amount of fiction books and plug its value back into the original equation to find the value of "y", or the amount of nonfiction books.
2x = 38
x = 19
There are 19 fiction books.
x + y = 26
19 + y = 26
y = 7
There are 7 nonfiction books.
Hope this helps!
36/4
That is 9
36-9=27
27/3=9
27-9=18
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