Ahardware salesman measures the mass of a box containing 1000 washers. the mass is 1.3301 kg . what is the mass of a single washer in milligrams? write your answer as a decimal.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Express the following number in scientific notation. 0.026890 =

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)