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Basic Arithmetic

Please Excuse My Dear Aunt Sally (PEMDAS), she has the hardest time remembering how to make sense of these arithmetic rules...

Exponents

Solve for $$N$$:

$3 ^ N = 729.$

What is the cube root of 512?

What is the value of $$(10 + 2 ) ^ 2$$?

What is the value of $$10^2$$?

What is the value of $$3^4$$?

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