Encountering Problems with Near Vision after 40. If you have never needed eyeglasses or contact lenses to correct distance vision, then experiencing near vision problems after age 40 can be concerning and frustrating. You may feel like you've abruptly lost the ability to read the newspaper or see the cell phone numbers.
A system of symbols used to represent special things. Example: In mathematical notation â means infinity.
Scientific notation is dividing numbers by a power of 10. To divide two numbers, simply divide the coefficients, and then subtract the exponent of the denominator from the exponent of the numerator. Scientific notation should always have a base 10 and the base number 10 is always written in exponent form.