Answer:
[tex]\frac{5}{10}[/tex]
Step-by-step explanation:
Calculate the difference between A and B using the absolute value
| - [tex]\frac{7}{10}[/tex] - (- [tex]\frac{2}{10}[/tex] ) = | - [tex]\frac{7}{10}[/tex] + [tex]\frac{2}{10}[/tex] | = | - [tex]\frac{5}{10}[/tex] | = [tex]\frac{5}{10}[/tex]
or
| | - [tex]\frac{2}{10}[/tex] - (- [tex]\frac{7}{10}[/tex] ) | = | - [tex]\frac{2}{10}[/tex] + [tex]\frac{7}{10}[/tex] | = | [tex]\frac{5}{10}[/tex] | = [tex]\frac{5}{10}[/tex]