Someone me with these two problems, the first one you got to change it into scientific notation, you so much!

Modern weaponry has increased the number of deaths in wars and violent conflicts.

What energy is it when you flip on a switch on a lamp

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.