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The area of San Bernardino County, California, is the largest county in the United States, is about 3 to the 9 power square mile
2 answers:
Answer:
An expression =
The area of San Bernardino County is 19,683 square miles.
Step-by-step explanation:
The are of San Bernardino County is about 3 to the 9 power square miles.
Here 3 to the 9 power means " base 3 and the exponent is 9"
=
This means we have to multiply 3 itself by 9 times.
= 3.3.3.3.3.3.3.3.3
= 9.9.9.9.3
= 81.81.3
= 6561.3
= 19,683 square miles
The area of San Bernardino County is 19,683 square miles.
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Answer:
$28,342.54
Step-by-step explanation:
The value of an account earning compound interest is found using the formula ...
A = P(1 +r/n)^(nt)
where P is the principal invested at annual rate r compounded n times per year for t years.
__
You have P=7000, r=0.12, n=2, t=12.
Using these values in the formula, we find the accumulated value of the investment to be ...
A = 7000(1 +0.12/2)^(2·12) = 7000(1.06^24) ≈ 28,342.54
The value after 12 years is $28,342.54.
_____
<em>Additional comment</em>
The time-value-of-money functions of your calculator or spreadsheet can find this for you.
