Answer:
is this on edulastic? if you have the option check answer put 12 and let me know if it was right please.
Answer:
7.8 and 18.8 is your answer
Step-by-step explanation:
nwere ike nwa osisi poop pusi ibu onu nkita meow n'anya papa 46721
There are 13 protons because the atomic number (the number in the top left corner) represents the number of protons. Then, to find the number of neutrons, you take the number of protons and subtract it from the atomic mass (the number on the bottom) when it is rounded. The number of electrons is the same as the protons when the atom is neutral
Answer:
The initial cost of the cell phone was $364
Step-by-step explanation:
Since there was a 30% markup, 70% of the new cost is the initial cost. Multiply 520 by 0.7 on a calculator and you get 364
