RE: supplementary S.I. units

["Donald E. Simanek" <dsimanek@eagle.lhup.edu>]

On Fri, 25 Sep 1998, Rauber, Joel              Phys wrote:

> by "powers", do you mean exponents? Since I assume you don't mean to be
> saying that quantities like, e.g., (velocity)^2 are dimensionless and
> unitless, despite their being a power.

Thanks for the correction, Joel. Obviously it's the *exponent* which must
be unitless and dimensionless.

>    Exponents                                              exponent 
> 4. Powers are dimensionless and unitless. However, if the power is a
> mathematical expression, quantities within that expression may have
> dimensions and units.

	-- Donald