How many significant figures are there in 0.4793?

Explanation

The following is the solution: The number 0.4793 has four significant figures. In the context of significant figures: Non-zero digits are always considered significant. In this case, 4, 7, 9, and 3 are non-zero digits. Zeros between significant digits are also considered significant. There are no zeros between the significant digits in 0.4793. Leading zeros (zeros to the left of the first non-zero digit) are not considered significant. In this case, there are no leading zeros. Trailing zeros (zeros to the right of the last non-zero digit) in a decimal number are considered significant. In 0.4793, the zero after 3 is a trailing zero and is considered significant. Therefore, all four digits in 0.4793 are considered significant, making it a number with four significant figures.