Answer:
The opposite of 1.7 are;
[tex]\begin{gathered} -1.7 \\ \text{and} \\ -1\frac{7}{10} \end{gathered}[/tex]Explanation:
We want to find the rational number that is opposite of 1.7.
The opposite of 1.7 is;
[tex]-(1.7)=-1.7[/tex]The opposite of 1.7 can be written as;
[tex]-1.7=-1\frac{7}{10}[/tex]The opposite of 1.7 are;
[tex]\begin{gathered} -1.7 \\ \text{and} \\ -1\frac{7}{10} \end{gathered}[/tex]