Answer:
A. 0.0451
Explanation:
To determine the amount of significant figures in numbers in science, it is important to follow specific rules:
- A non-zero digit is significant. For example: 0.0211
- Zeros located between two significant numbers are significant. For example: 56.20006
- Trailing zeros in cases of the presence of a decimal point. For example: 434.9100
<em>Option A</em>. 0.0451 has <u>three significant figures</u>: 4, 5, 1.
<em>Option B</em>. 450 has t<u>wo significant figures</u>: 4, 5.
<em>Option C.</em> 32.10 has <u>four significant figures</u>: 3, 2, 1, 0.
Option D. 370.0 has <u>four significant figures</u>: 3, 7, 0, 0.
Therefore, option A. 0.0451 is the correct answer.
