Answer choices:
22
15
10
358
None of the above
This is my solution:
2026-04-06 09:46:45.1775468805
Evaluating Exponents
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You are correct, the answer is 10.
\begin{align*} 2^2 + 9^ \frac{1}{2} + 2^1 + 225^0 &= 4 + 9^ \frac{1}{2} + 2^1 + 225^0 \\ &= 4 + {\sqrt{9}} + 2^1 + 225^0 \\ &= 4 + 3 + 2^1 + 225^0 \\ &= 4 + 3 + 2 + 225^0 \\ &= 4 + 3 + 2 + 1 \\ &= 10 \end{align*}
Did some extended working out for you.