Find the value of the following addition with due consideration of signification figures 0.75 + 2.128 + 15.6 .

Explanation

To solve the problem of adding the numbers 0.75, 2.128, and 15.6 while considering significant figures, we will follow these steps:

### Step-by-Step Solution:

1. **Identify the Significant Figures**:
- The number **0.75** has **2 significant figures** (the digits 7 and 5).
- The number **2.128** has **4 significant figures** (the digits 2, 1, 2, and 8).
- The number **15.6** has **3 significant figures** (the digits 1, 5, and 6).
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