What is 9\times 2-(-8)\div 2^3 ?

The solution to 9\times 2-(-8)\div 2^3 is 19

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9\times 2-(-8)\div 2^3

9 \times 2 - (- 8) \div 2^{3}

19

Solution steps

9 \times 2 - (- 8) \div 2^{3}

Follow the PEMDAS order of operations

Calculate exponents

2^{3} : 8

2^{3}

2^{3} = 8

= 8

= 9 \times 2 - (- 8) \div 8

Multiply and divide (left to right)

9 \times 2 : 18

9 \times 2

9 \times 2 = 18

= 18

= 18 - (- 8) \div 8

Multiply and divide (left to right)

(- 8) \div 8 : - 1

(- 8) \div 8

Apply rule

(- a) \div b = - a \div b

(- 8) \div 8 = - 8 \div 8 = - 1

= - 1

= 18 - (- 1)

Add and subtract (left to right)

18 - (- 1) : 19

18 - (- 1)

Apply rule

- (- a) = + a

- (- 1) = + 1

= 18 + 1

18 + 1 = 19

= 19

= 19

6 \div (9 - 6)

(14 + 3) 7

5^{3} + 1 \times 10

4 (- 2) + 5

4 (- 2) - 5