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 credit score of 760-799 is considered good to great credit, and will typically result in interest rates and approval rates that a credit score in the 800-850+ bucket would yield. The only difference might be a few more pricing incentives at the 800-850+ range, and a more thorough credit check.
There also are many different credit scoring models. Scores can vary widely based on the credit scoring model used and the range for that particular scoring model. For example, a credit score of 680 on a scale that goes up 950 is very different than a credit score of 680 on a scale that goes up 850.