Question1:Precedence order: 1. What is the correct result of the following expression: sqrt(16) + 3 * 5/2-1? 2. What is the incorrect result of the following expression due to the incorrect order of operations: 2 * (4 / 2) - 1? 3. What is the correct result of the following expression: 4 / (2 + 1)^2 - 1? 4. What is the incorrect result of the following expression due to the incorrect order of operations: (4 / 2) * 3^2 - 1? 5. What is the correct result of the following expression: (3 + 5) / (2 * 4) - sqrt(9)? 6. What is the incorrect result of the following expression due to the incorrect order of operations: 2 * (3 / 6) + 1? 7. What is the correct result of the following expression: 4 / (2^2 + 1) - 1? 8. What is the incorrect result of the following expression due to incorrect order of operations: sqrt(4 + 9) / 2 - 1? 9. What is the correct result of the following expression: 2 * 3^(1/2) + 4 /2-1? 10. What is the incorrect result of the following expression due to the incorrect order of operations: (3 + 2) / (6 - 4) * 2?
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Step 1: For question 1, the expression is: sqrt(16) + 3 * 5 / 2 - 1 First, we calculate the square root of 16: sqrt(16) = 4 So the expression becomes: 4 + 3 * 5 / 2 - 1 Show more…
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1. The given expression is 2 + 3(10 - 4). 2. The first step should be to solve the expression inside the parentheses: 10 - 4 = 6. 3. So, the expression becomes 2 + 3(6). 4. The error made here is that addition was done before multiplication. According to the order of operations, multiplication should be done before addition. 5. The correct next step is to multiply 3 by 6: 3 * 6 = 18. 6. Now, the expression becomes 2 + 18. 7. Finally, add 2 and 18: 2 + 18 = 20. The correct answer is 20, not 30. The error made was performing addition before multiplication, which goes against the order of operations.
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What does this expression (2 * 3 + 2 * 5) evaluate to? 12 26 20 16 Which expression evaluates to 20? 4 * (4 + 4) 5 + 5 * 2 11 - 1 * 2 (2 + 3) * 4 Which is an example of a syntax error? 2 + (4*2) 2 + (4/0) 2 x (4*2) 2 * 4 + 3
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Carry out the following operations. 1) 3i(3 - 7i) 2) (8 - 3i)(2 + 3i) 3) (4 + 3i)(3 - 8i) 4) (9 - 9i)(2 - 5i) 5) (5 + ∑−16)(2 + ∑−49) 6) (7 - ∑−16)(4 + ∑81) 7) (3 + 8i)(3 - 8i) 8) (8 + 4i)^2 9) (6 + 2i)^2
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