## Related questions with answers

Question

Evaluate each expression when a=2 and b=-3. $(b+8)\left(a^{2}\right)$

Solution

VerifiedStep 1

1 of 2Substitute $a=2$ and $b=-3$ then evaluate using rules of exponents:

$\begin{align*} (b+8)(a^2)&= (-3+8)(2^2) \\ \phantom{x}&= (5)(4)\\ \phantom{x}&= \color{#c34632}20 \end{align*}$

$\color{white}\tag{1}$

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