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Help with summer school

Help with summer school-example-1

1 Answer

3 votes

Answer:

19

Explanation:

3a -2^3 ÷b

Let a = 7 and b = 4

3*7 -2^3 ÷4

PEMDAS says exponents first

3*7 -8 ÷4

Multiply and divide from left to right

21 - 2

Subtract

19

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