How many significant digits are in the number 8,600?

There are four significant digits in the number 8,600.

The number 8,600 has three significant digits.

To determine the number of significant digits in a number, you need to consider the following guidelines:

1. Non-zero digits are always significant.
2. Any zeros between non-zero digits are also significant.
3. Leading zeros (zeros before the first non-zero digit) are not significant.
4. Trailing zeros (zeros after the last non-zero digit) may or may not be significant, depending on whether they are after a decimal point.

In the number 8,600, there are four digits: 8, 6, 0, and 0.

Since the zeros are in the middle of the number, between non-zero digits, they are considered significant. Therefore, the number 8,600 has four significant digits.