試題詳解

1. Which of the following statement in regard to unit conversions is correct?
(A) One kilogram is equal to 10^-9 teragrams.
(B)Twenty-five femtograms are equal to 2.5 × 10^-14 kilograms.
(C) Eight liters are equal to 80 cubic decimeters.
(D) 294.5 nm are equal to 2.945 × 10⁷ centimeters.
(E)One microliter is equal to 10^-6 milliliters.