Question

Convert:

5 mg = _____ kg.

Answer 1

1. The milligram is the smallest unit to measure mass.

1 mg = 1$\times$10 ^{- 6} kg.

5 mg = 5$\times$10 ^{- 6} kg.

Hence, 5 mg = 5$\times$10 ^{- 6} kg.