Decimals
Number systems · Mathematics
Study notes
Q: Compute 3.75 + 0.125 and 2.5 × 0.4. Step 1: Addition — align points: 3.750 + 0.125 = 3.875 Step 2: Multiplication: 2.5 × 0.4. Ignore points: 25 × 4 = 100. Step 3: Total decimal places: 1 + 1 = 2 → 1.00 = 1.