Take the decimal of each choice and move it over the number of the exponent to the right and see which one is your original answer.
(a) 821 x 10^ 0 = 821
(b)8.205 x 10^2 = 820.5
(c)8.205 x 10^3 = 8205.
(d)82 x 10^2 = 8200.
Answer is (b).
Understand?
In order to solve the whole thing in one answer I need your age if 4 is required
The answer is
<span>B.
Federal Reserve System</span>
