Which operation should be performed first according to the order of operations? 21 – 5 + 24 ÷ 3 + 90 • 4

Step-by-step explanation:

I'll give you a hint. You had to used pemdas stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract that came from left to right.

First you had to multiply and divide from left to right.

Then you add and subtract from left to right.

Final

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-Charlie

you need more information to answer this question

step-by-step explanation:

2nd one in the first row is correct