1. The problem set provides multiple addition questions arranged vertically. Let's solve each by adding the numbers step-by-step. 2. Problem (9): $$37164 + 8316 + 3762 + 1087$$ Step 1: Add 37164 + 8316 = $$45480$$ Step 2: Add 45480 + 3762 = $$49242$$ Step 3: Add 49242 + 1087 = $$50329$$ 3. Problem (10): $$6318 + 7 + 15403$$ Step 1: Add 6318 + 7 = $$6325$$ Step 2: Add 6325 + 15403 = $$21728$$ 4. Problem (11): $$7 + 18 + 1162 + 13976$$ Step 1: Add 7 + 18 = $$25$$ Step 2: Add 25 + 1162 = $$1187$$ Step 3: Add 1187 + 13976 = $$15163$$ 5. Problem (12): $$15149 + 8786 + 6452 + 3816$$ Step 1: Add 15149 + 8786 = $$23935$$ Step 2: Add 23935 + 6452 = $$30387$$ Step 3: Add 30387 + 3816 = $$34203$$ 6. Problem (13): Adding decimals: $$8.76 + 512.14 + 3.32$$ Step 1: Add 8.76 + 512.14 = $$520.90$$ Step 2: Add 520.90 + 3.32 = $$524.22$$ 7. Problem (14): $$1.75 + 0.08 + 35.00$$ Step 1: Add 1.75 + 0.08 = $$1.83$$ Step 2: Add 1.83 + 35.00 = $$36.83$$ 8. Problem (15): $$46.80 + 127.96 + 43.42 + 27.01$$ Step 1: Add 46.80 + 127.96 = $$174.76$$ Step 2: Add 174.76 + 43.42 = $$218.18$$ Step 3: Add 218.18 + 27.01 = $$245.19$$ 9. Problem (16): $$86.42 + 0.97 + 176.54 + 16.00$$ Step 1: Add 86.42 + 0.97 = $$87.39$$ Step 2: Add 87.39 + 176.54 = $$263.93$$ Step 3: Add 263.93 + 16.00 = $$279.93$$ All answers are verified with correct place value addition.