Question

how many significant figures in the following numbers? 23.0 4 3 2 1

Explanation:

Step1: Identify significant figure rules

Non - zero digits are significant.

Step2: Check decimal rules

Trailing zero in a number with a decimal is significant.
For the number 23.0:

• The digit 2 is significant.
• The digit 3 is significant.
• The digit 0 (after the decimal) is significant.

So, there are 3 significant figures.

Answer:

3