Answer:
[tex]\large\boxed{20^2+6(9+3)=472}[/tex]
Step-by-step explanation:
Use PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)
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[tex]20^2+6(9+3)=400+6(12)=400+72=472[/tex]
