\begin{tabular}{l|l|l|l}
& 2 & 5 & 10 \\
\hline
345 & [tex]$x$[/tex] & & [tex]$x$[/tex] \\
\hline
8000 & & & \\
\hline
4970 & & & \\
\hline
2560 & & & \\
\hline
\end{tabular}



Answer :

Let's analyze the question step-by-step and provide a detailed solution for the unknown 'x' values in the table:

Given the partial table:
```
| 2 | 5 | 10 |
-------------------------
345 | x | | x |
-------------------------
8000 | | | |
-------------------------
4970 | | | |
-------------------------
2560 | | | |
-------------------------
```

We need to determine the unknown values labeled as 'x' in the table. Focusing only on the first row, we are provided with the number 345 and the 'x' values in the 2nd and 10th columns.

From the analysis of the numbers:
- The number 345 corresponds to 'x' in the 2nd column.
- The number 345 also corresponds to 'x' in the 10th column.

Therefore, the values of 'x' in the table for the number 345 in columns 2 and 10 can be determined to be the same as 345.

Thus, the completed first row of the table with the correct values for 'x' would be:
```
| 2 | 5 | 10 |
-------------------------
345 | 345 | | 345|
-------------------------
8000 | | | |
-------------------------
4970 | | | |
-------------------------
2560 | | | |
-------------------------
```

In summary, the unknowns labeled as 'x' in the 2nd and 10th columns of the first row are 345.