\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

The IRS Publication 15-B or the Employer's Tax Guide to Fringe Benefits is a document published by the Internal Revenue Service (IRS) that provides employers with guidance on how to account for ...