💡 Activity – Solutions

1️⃣ Convert 469, 1513, 479 to hex (show steps).

469 → Hex

• 469 ÷ 16 = 29, remainder 5
• 29 ÷ 16 = 1, remainder 13 → D
• 1 ÷ 16 = 0, remainder 1

Read remainders bottom→top → 1 D 5 ✅ 469₁₀ = 1D5₁₆

1513 → Hex

• 1513 ÷ 16 = 94, remainder 9
• 94 ÷ 16 = 5, remainder 14 → E
• 5 ÷ 16 = 0, remainder 5

Read remainders bottom→top → 5 E 9 ✅ 1513₁₀ = 5E9₁₆

479 → Hex

• 479 ÷ 16 = 29, remainder 15 → F
• 29 ÷ 16 = 1, remainder 13 → D
• 1 ÷ 16 = 0, remainder 1

Read remainders bottom→top → 1 D F ✅ 479₁₀ = 1DF₁₆

2️⃣ Convert 1D5, 5E9, 1DF to decimal (expand by 16n16^n16n).

Convert 1D5₁₆ → Decimal

Convert 5E9₁₆ → Decimal

Convert 1DF₁₆ → Decimal

🎯 Final Answers Summary

3️⃣ Convert 13B4 and A5 to binary .

• Answers: 13B4 → 0001 0011 1011 0100, A5 → 1010 0101.