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
Hey Sizwe, good to see you again. Here are the solutions for each part: a) 3857 - 2436 Step 1: Round off to the nearest 1000. 3857 ≈ 4000 2436 ≈ 2000 Step 2: Subtract the rounded numbers. 4000 - 2000 = 2000 Step 3: Subtract the original numbers. 3857 - 2436 = 1421 Step 4: Compare the answers. The rounded answer (2000) is an overestimation compared to the exact answer (1421). Difference: 2000 - 1421 = 579. The final answer for a) is 1421. b) 7576 - 5125 Step 1: Round off to the nearest 1000. 7576 ≈ 8000 5125 ≈ 5000 Step 2: Subtract the rounded numbers. 8000 - 5000 = 3000 Step 3: Subtract the original numbers. 7576 - 5125 = 2451 Step 4: Compare the answers. The rounded answer (3000) is an overestimation compared to the exact answer (2451). Difference: 3000 - 2451 = 549. The final answer for b) is 2451. c) 5387 - 4263 Step 1: Round off to the nearest 1000. 5387 ≈ 5000 4263 ≈ 4000 Step 2: Subtract the rounded numbers. 5000 - 4000 = 1000 Step 3: Subtract the original numbers. 5387 - 4263 = 1124 Step 4: Compare the answers. The rounded answer (1000) is an underestimation compared to the exact answer (1124). Difference: 1124 - 1000 = 124. The final answer for c) is 1124. Send me the next one 📸