Displaying symbols before and after text entry fields in one column only

Thank you ahmedA for the code and additional comments. I can't seem to get it to work as is in either a Constant Sum type question, or Matrix-Constant Sum question; neither the dollar sign nor the cents display, and the field width appears to be the default size. I'll try to see if I can understand the code better and get it to work in my questions, but I appreciate the time you took to assist.

Thanks for your reply. Correction, it looks like the code IS executing, just not where I expected it to. I applied it to Question 7 in the image below, but it's showing up in the first row of the question above it. The image captures it with the Javascript I had in Question 6, but this still happens even after I removed Javascript from Q6 and all of the other questions in that block of the survey.

Thanks. I had some html in the Look & Feel header for the project title, and also used a custom Theme. But removing both of those does not change anything.
Here's a preview of the block if you are willing to take a look at it. https://surveys.ada.org/jfe/preview/SV_78wHq9SxrV6uGs6/BL_2beXWHnMRtwnp9r?Q_SurveyVersionID=current

Thank you! It's getting there. The symbols appear where they should be in the entry fields, but not in the read-only Total line.

Thank you, that worked for my Matrix-Constant Sum question! Can this code be adapted to a Constant Sum question where I have a text entry field on the last line, that I don't want the dollar sign and cents to appear around? (See line 5 in the example below.)

I just used an example of the previous code I found somewhere else for illustration purposes. When I tried to apply variations of the working code you provided (thank you again), nothing appears; see below. It seems like the code might not be executing, but I don't detect any errors when I debug.

Here's a block preview. https://surveys.ada.org/jfe/preview/SV_78wHq9SxrV6uGs6/BL_7PpX8TMKx5dQLcx?Q_SurveyVersionID=current
In Question 10a I've applied most of the different variations of the code you shared above. This is the latest one I tried in the block preview above. Sorry for taking up your time, I'm probably too Javascript-illiterate to be trying to do this.
Qualtrics.SurveyEngine.addOnReady(function () {
  // Get all the rows in the table body, i.e. excluding headers
let all_rows = this.questionContainer.querySelectorAll("tbody tr");

  // Change it all_rows.length - 1, if you want to skip the totals row
  for (let i = 0; i < all_rows.length; i++) {
    let this_row = all_rows[i]; // Get the row

    // Get the relevant cell. Index starts from '0', but that stores statements
    // So, first input cell will be at location '1'
    // Suppose you only want to add it to the second cell
    // Not using 'input' here, as we want to add text before and after it
    this_row.cells[1].insertAdjacentHTML("afterbegin", "$");
    this_row.cells[1].insertAdjacentHTML("beforeend", ".00");

    // To add something to all cells in the row
    // Again, start from '1' to skip the statement column
    for (let j = 1; j < this_row.cells.length; j++) {
      // Using 'input' here, as we want to change it's style and not that of the cell
      this_row.cells[j].querySelector("input").style.width = "100px";
    }
  }
});

Thanks. I was afraid that the Constant Sum question was structured differently. I'm kind of locked into using Constant Sum for the questions in this block because it's the only question type I know of that will allow me to pipe the Total value into an entry field several blocks later in the survey. What I might do instead is to remove the Other write-in field in line 5 to a separate object altogether, and use code I have from an earlier iteration of this survey (and worked) to make the dollars and cents appear in the Constant Sum questions.
But I do appreciate the time and patience in helping me perfect a solution for the Matrix question; that was a major hurdle I could not get through the past two years I've set up this project. If you had a tip jar, I would make a contribution!

Sorry to bug you again, but I'm trying to get this last bit of code you shared to work in Question 1a at the link below. I must either be missing something, or the code doesn't work the same way in a Matrix that doesn't have a text field in the first column.

https://surveys.ada.org/jfe/preview/SV_78wHq9SxrV6uGs6/BL_6y62dEM2v4powJv?Q_SurveyVersionID=current

OK, I guess it must be because the questions I tried to use them on don't have a text entry field in the first column.

Oh, so this code is for Constant Sum questions? (My initial takeaway was that there was no code for Constant Sums.)