How many significant figures are present in the number 160?

• A. 2
• B. 3
• C. 1
• D. 4

Answer: (A)

Verified step by step guidance

1. Understand that significant figures (sig figs) are the digits in a number that carry meaningful information about its precision.
2. Identify the digits in the number 160: the digits are 1, 6, and 0.
3. Determine if the trailing zero is significant. In a number without a decimal point, trailing zeros are generally not considered significant.
4. Since 160 has no decimal point, the trailing zero is not significant, so only the digits 1 and 6 are significant.
5. Conclude that the number 160 has 2 significant figures.