Round off each of the following calculator answers to two significant figures: Part A
1.854 kg
Express your answer to two significant figures.

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

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you