Answer:
[tex] - 9 \frac{31}{100} [/tex]
Step-by-step explanation:
[tex] - 9.31 \times 100 = - 931[/tex]
[tex] - 9 .31 = - \frac{931}{100} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = - 9 \frac{31}{100} [/tex]