The number of significant figures in 5.400 are?

Answer 1

The number 5.400 has four significant figures. In a decimal number, all non-zero digits are considered significant. The zeros between the non-zero digits are also significant. Therefore, all the digits in 5.400 are significant, making it a four-significant-figure number.

Answer 2

Trailing zeros after a decimal point are not normally written. As trailing zeros have been written they must be significant; thus 5.400 has 4 sig fig.

For example 5.400 could be 5.3996 rounded to 4 sig fig.

Answer 3

Since the zeros after the 4 and not before, they are not significant.

Answer 4

4 significant figures is correct answer of this question