What you must do for this case is to follow the following steps. 1) Rewrite the expression completely. 2) make a double c. 3) Factor each quadratic expression correctly. 4) cancel similar terms. Answer: 2n See attached images.
Uranium-234 is an isotope of uranium. In natural uranium and in uranium ore, U-234 occurs as an indirect decay product of uranium-238, but it makes up only 0.0055% (55 parts per million) of the raw uranium because its half-life of just 245,500 years is only about 1/18,000 as long as that of U-238.