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Answer:

Step-by-step explanation:

Following PEMDAS:

[tex]11^2+8*3*11+2^2\\121+8*3*11+4\\\\121+24*11+4\\121+264+4\\389[/tex]

Sprnt

Answer:

389.

Step-by-step explanation:

1. Write the expression.

[tex]t^2+8st+r^2[/tex]

2. Substitute the variables by the given values.

[tex](11)^2+8(3)(11)+(2)^2[/tex]

3. Simplify the exponents.

[tex]121+8(3)(11)+4[/tex]

4. Multiply.

[tex]121+(264)+4[/tex]

5. Add and subtract.

[tex]389.[/tex]

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