Find the value of 31.2 -12.125 with due consideration of significant figures.

Explanation

To solve the problem of finding the value of \( 31.2 - 12.125 \) while considering significant figures, follow these steps:

### Step 1: Identify the values
Let \( x = 31.2 \) and \( y = 12.125 \).

### Step 2: Determine the number of significant figures after the decimal point
- For \( x = 31.2 \): There is **1 significant figure** after the decimal point.
- For \( y = 12.125 \): There are **3 significant figures** after the decimal point.
...