Question

determine the number of significant digits in 54.023.

Explanation:

Step1: Recall significant digit rules

Significant digits include all non - zero digits, zeros between non - zero digits, and trailing zeros in a decimal number.

Step2: Analyze the number 54.023

• The digit 5 is non - zero, so it is significant.
• The digit 4 is non - zero, so it is significant.
• The zero between 4 and 2 is a zero between non - zero digits, so it is significant.
• The digit 2 is non - zero, so it is significant.
• The digit 3 is non - zero, so it is significant.

Counting these significant digits: 5, 4, 0, 2, 3. So we have 5 significant digits.

Answer:

5