Answer:
[tex]81.36x10^3Gm[/tex]
Explanation:
Hello,
For this exercise, just apply the following factor:
[tex]81.36Tm*\frac{1x10^{12}m}{1Tm} *\frac{1Gm}{1x10^{9}m}=81.36x10^3Gm[/tex]
Best regards.