The formula of a midpoint:
[tex]\dfrac{x_1+x_2}{2}[/tex]
We have [tex]x_1=0,\ x_2=0.01[/tex]
Substitute:
[tex]\dfrac{0+0.01}{2}=\dfrac{0.010}{2}=0.005[/tex]
Middle from 0 to 0.01 is 0.005
