Write the fallowing in scientific notation 1020?

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons