Answer :

emily10898Emily10898

Answer:

A(10) = 400

Step-by-step explanation:

[tex]A(t) = t^{2} + 300[/tex]

Plug in 10 to the equation to get A(10)

[tex]A(10) = (10)^{2} + 300[/tex]

[tex]A(10) = 100 + 300 = 400[/tex]

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