Hello!
To solve this equation, we will need to use PEMDAS (parentheses, then exponents, then multiplication/division, then addition/subtraction).
7(3) + (-9) x (-4) =
21 + (-9) x (-4) =
21 + 36 =
57
I hope this helps you! Have a lovely day!
- Mal
In this problem, the power of 10 is 14. Hope this helps!
I think rational or it might be irrational but I think it’s rational
Whatever the answer is, you graph the answer
