Answer:
An atom of sodium has 11 proton, 11 electrons, and 12 neutrons.
Surface area = = x 3.14 x 3 x 3 x 3 = 3.14 x 4 x 3 x 3 = 113.04 yd^2 = approx. 113.1 yd^2
Answer:
101
Step-by-step explanation:
hope that helps
Answer:
5/6
or
0.833...
Step-by-step explanation:
Hope this helps!
13/21 cause 21 is a common denominator and 7x3+ 21 you have to do 7x=7 and 3x7=21 so you have to do 3x2= 6 so you do 6+7 which equals 13 and your answer is 13 over 21 since it can't be simplified