2.998e^8 is how I would write it. If you want it with the least amount of decimals, use 3e^8
Which of the following measurements is expressed to three significant figures?
C. 5.60 km
Hope this helps!
The correct answer is C. Atoms are incredibly small and can bearly be seen with the most powerful electron microscopes. The nucleas of an atom contains protons and neutrons with electrons in orbitals around the nucleas. I hope this helps. Let me know if anything is unclear.
Answer:
ICI 204448 hydrochloride | C23H27Cl3N2O4 | CID 129407 - structure, chemical names, physical and chemical properties, classification, patents, literature, etc...
hope this helps!! have an amazing day <3