REMEMBER THE PMDAS (PARENTHESIS, MULTIPLICATION, DIVISION, ADDITION, SUBTRACTION)
1. False
10 - 4 + 9 ÷ 3
10 - 4 + 3
10 - 7
3
2. False
(8 + 2) - (9 - 2²)
(10) - (9 - 4)
10 - 5
5
3. False
3² - 15 ÷ 5 + (6 + 4)
3² - 15 ÷ 5 + 10
3² - 3 + 10
9 - 13
-4
4. True
5 + 2 - 3
7 - 3
4
5. False
5 - 5 × 4 + 1
5 - 20 + 1
5 - 21
-16
6. False
2 × 2 - 4 ÷ 2 + 4
4 - 4 ÷ 2 + 4
4 - 2 + 4
4 - 6
-2
7. False
(-3)² - 12 + 2
9 - 12 + 2
9 - 14
-5
8. True
3 × 8 + 16 ÷ 4
24 + 16 ÷ 4
24 + 4
28
9. False
10 + 2 + 4 ÷ 4 (4 - 3)
10 + 2 + 4 ÷ 4 × 1
10 + 2 + 4 ÷ 4
10 + 2 + 1
12 + 1
13
10. False
11 - 3² + 3
11 - 9 + 3
11 - 12
-1
Answer:
1 true
2 false
3 true
4 true
6 false
7 true
8 true
9
10
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Answers & Comments
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REMEMBER THE PMDAS (PARENTHESIS, MULTIPLICATION, DIVISION, ADDITION, SUBTRACTION)
============================
1. False
10 - 4 + 9 ÷ 3
10 - 4 + 3
10 - 7
3
2. False
(8 + 2) - (9 - 2²)
(10) - (9 - 4)
10 - 5
5
3. False
3² - 15 ÷ 5 + (6 + 4)
3² - 15 ÷ 5 + 10
3² - 3 + 10
9 - 13
-4
4. True
5 + 2 - 3
7 - 3
4
5. False
5 - 5 × 4 + 1
5 - 20 + 1
5 - 21
-16
6. False
2 × 2 - 4 ÷ 2 + 4
4 - 4 ÷ 2 + 4
4 - 2 + 4
4 - 6
-2
7. False
(-3)² - 12 + 2
9 - 12 + 2
9 - 14
-5
8. True
3 × 8 + 16 ÷ 4
24 + 16 ÷ 4
24 + 4
28
9. False
10 + 2 + 4 ÷ 4 (4 - 3)
10 + 2 + 4 ÷ 4 × 1
10 + 2 + 4 ÷ 4
10 + 2 + 1
12 + 1
13
10. False
11 - 3² + 3
11 - 9 + 3
11 - 12
-1
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Answer:
1 true
2 false
3 true
4 true
5
6 false
7 true
8 true
9
10