Answered

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Which expression is -7 +6 X 5 - 2? O A) 13 X 5 - 2 O B) 7+11 – 2 OC) 13 X 3OD) 37 - 2

Sagot :

Which expression is equal to 7 + 6 x 5 - 2?

The first step is to use the PEMDAS, and this rule ensures that certain rules are followed in number operations. It simply means some mathematical signs would be given preference over the others. The acronym PEMDAS ensures that Exponents comes first, followed by Multiplication, Addition an then Subtraction. In this question, the Multiplication sign would be considered first and so we now have;

7 + [6 x 5] - 2

7 + 30 - 2

Then the addition sign would take prefernce now, and you have

[7 + 30] - 2

And that results in option D

D) 37 - 2

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