Answer:
[tex]6.43023\times 10^{35}[/tex]
Explanation:
1 Wapentake
[tex]1\ Wapentake=110\times 4047\times 100=44517000\ m^2[/tex]
1 barn
[tex]1\ barn=1\times 10^{-28}\ m^2[/tex]
The ratio
[tex]\dfrac{26\ Wapentake}{18\ barn}[/tex]
[tex]=\dfrac{26\times 44517000}{18\times 1\times 10^{-28}}=6.43023\times 10^{35}[/tex]
The required ratio is [tex]6.43023\times 10^{35}[/tex]