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
Here are the solutions for the problems: a) We need to calculate 26 - 42 + 19. Step 1: Perform the subtraction from left to right. 26 - 42 = -16 Step 2: Perform the addition. -16 + 19 = 3 The final answer for a) is: 3 c) We need to calculate 70 × 40 ÷ 8 - 186. Step 1: Perform multiplication and division from left to right. First, multiply 70 by 40: 70 × 40 = 2800 The expression becomes: 2800 ÷ 8 - 186 Step 2: Next, perform the division: 2800 ÷ 8 = 350 The expression becomes: 350 - 186 Step 3: Finally, perform the subtraction: 350 - 186 = 164 The final answer for c) is: 164 That's 2 down. 3 left today — send the next one.