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→Calculating the number of Neutrons
| style="height:20px; width:300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] and [[Evaluate (Maths)|evaluate]] the equation, then [[Solve (Maths)|solve]].'''
<math>(22 + n) = \frac{22\times\1times1.60times10^{-19}}{1.67\times10^{-27}\times4.58\times10^{7}}</math>
<math>n = \frac{22\times\1times1.60\times10^{-19}}{1.67\times10^{-27}\times4.58\times10^{7}} - 22</math>
<math>n = 46.0 - 22</math>