What is the density of an unknown metal that has a mass of 158g and a volume of 20 ml

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane

How much work would it take to move a coulomb charge across a 4 volt potential difference?

6. an article, which costs rs. 850 is sold at a profit of 6%.what is the selling price ? -a) rs.900 b) rs. 901 c) rs. 890 d) rs. 905