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.
Your credit score will range between 300 and 900. The ranking in Canada are not identical to the rankings in the United States so some scales you may find deceiving.