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.
The FICO score range dips as low as 300 and rises as high as 850. The average credit score is somewhere around the high 600s to low 700s. I say somewhere because there are always different numbers being cited by different sources, and the data is often outdated.