How do you simplify $7^{2} + 8^{3}$ $7^2 + 8^3$ ?

1 Answer

Mar 2, 2016

561

Explanation:

now $7^{2} = 7 \times 7 = 49$ $7^2 = 7xx7 = 49$

and $8^{3} = 8 \times 8 \times 8 = 512$ $8^3 = 8xx8xx8 = 512$

hence: $7^{2} + 8^{3} = 49 + 512 = 561$ $7^2 + 8^3 = 49 + 512 = 561$

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