Evaluate
169a^{2}
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169a^{2}
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\left(13a\right)^{2}
Combine 9a and 4a to get 13a.
13^{2}a^{2}
Expand \left(13a\right)^{2}.
169a^{2}
Calculate 13 to the power of 2 and get 169.
\left(13a\right)^{2}
Combine 9a and 4a to get 13a.
13^{2}a^{2}
Expand \left(13a\right)^{2}.
169a^{2}
Calculate 13 to the power of 2 and get 169.
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