This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Welcome back — been a while! Let's pick up where you left off. Here are the numbers rounded off to the nearest ten: a) Step 1: Identify the ones digit of 13, which is 3. Step 2: Since 3 < 5, round down. 13 ≈ 10 b) Step 1: Identify the ones digit of 42, which is 2. Step 2: Since 2 < 5, round down. 42 ≈ 40 c) Step 1: Identify the ones digit of 35, which is 5. Step 2: Since 5 5, round up. 35 ≈ 40 d) Step 1: Identify the ones digit of 54, which is 4. Step 2: Since 4 < 5, round down. 54 ≈ 50 e) Step 1: Identify the ones digit of 21, which is 1. Step 2: Since 1 < 5, round down. 21 ≈ 20 f) Step 1: Identify the ones digit of 79, which is 9. Step 2: Since 9 5, round up. 79 ≈ 80 g) Step 1: Identify the ones digit of 68, which is 8. Step 2: Since 8 5, round up. 68 ≈ 70 h) Step 1: Identify the ones digit of 97, which is 7. Step 2: Since 7 5, round up. 97 ≈ 100 i) Step 1: Identify the ones digit of 86, which is 6. Step 2: Since 6 5, round up. 86 ≈ 90 Send me the next one 📸