The numerals in the upper left quadrant of the Babylonian hand tablet depicted on p. 67 are translated as:

Q2. The numerals in the upper left quadrant of the Babylonian hand

tablet depicted on p. 67 are translated as:

5 tens combined with 3 tens is 2 tens plus 5;

that answer combined with 3 (ones) is 1 and 1 ten plus 5.

(The answers are to the right of the vertical line.) For what operation(s)

and place values is this computation correct? Explain. Then explain

how a zero symbol would help to clarify this computation.