Exposure - Being exposed to ionizing radiation, radioactive material, or other hazardous materials. Radiation exposure is measured in Roentgens (R) or the subunit milliroentgens (mR). For practical. purposes, one roentgen is equal to one rem.
A good credit score range is between 700 and 850. FICO credit scores range between 300 and 850.The general American public credit scores fall on a bell-shaped curve, with most people having credit scores that fall in the center, as follows:
1 In the Fair, Isaac credit bureau systems, which is probably what you've got in mind, the range is from somewhere in the low 300's to something close to 900..  2 A score range may be 0-800, 40-400, or some other range of numbers..  3 FICO scores range from 300 to 850..  FICO scores range from about 300 to 850..