Expand
a^{2}-\frac{2a}{5}+0.04
Evaluate
\left(a-0.2\right)^{2}
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a^{2}-0.4a+0.04
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(a-0.2\right)^{2}.
a^{2}-0.4a+0.04
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(a-0.2\right)^{2}.
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