How many significant digits are there in 0.008?

Explanation

To determine the number of significant digits in the number 0.008, we can follow these steps:

### Step 1: Identify Non-Zero Digits
In the number 0.008, we first look for non-zero digits. The only non-zero digit here is '8'.

### Step 2: Analyze Leading Zeros
Next, we examine the leading zeros. The zeros before the '8' (i.e., the two zeros before the '8') are leading zeros. According to the rules of significant figures, leading zeros are not counted as significant digits.

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