An unknown object has a mass of 150 grams and a volume of 5 cm3. What is the density of this object?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Avariable that is not being directly tested during an experiment should be

What is the name of the enzyme that forms at the start of transcription?