Final answer:
The expression for m% of ns% of 1/r can be written as (m/100)(n/100)(1/r). The correct option is a) 0.01mn, 0.01/r.
Step-by-step explanation:
The expression for m% of ns% of 1/r can be written as (m/100)(n/100)(1/r). Canceling equivalent terms in the numerator and denominator leaves 0.01mn and 0.01/r. Hence, the correct option is a) 0.01mn, 0.01/r.