Questions 16 to 20 carry 1 mark each. Write your answers in the spaces provided. For questions which require units, give your answers in the units stated. Find the value of 72÷8−2×3+7772 \div 8 - 2 \times 3 + 77. Ans: ___

Mixed operations with integers中文
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Worked solution

16

1. Perform division and multiplication first according to the order of operations

72÷8=972 \div 8 = 9
2×3=62 \times 3 = 6

2. Perform addition and subtraction from left to right

9−6+77=3+77=809 - 6 + 77 = 3 + 77 = 80

Answer

8080

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