EXPLANATION
Question: How many significant figures are in the number 0.0058?
- a) 3
- b) 1
- c) 2
- d) 4
ANSWER: c) 2
EXPLANATION:
The number 0.0058 has two significant figures.
Significant figures are the digits in a number that carry meaningful information and indicate the precision of the measurement or calculation. Non-zero digits are always significant, and zeros can be significant or insignificant depending on their position.
In the case of 0.0058, the zeros before the 5 are leading zeros, which are not considered significant. The significant figures in this number are 5 and 8, giving a total of two significant figures.
Therefore, the correct answer is c) 2.
