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\frac{\left(-2\right)^{2}a^{2}a^{5}}{5}a^{2}
Expand \left(-2a\right)^{2}.
\frac{4a^{2}a^{5}}{5}a^{2}
Calculate -2 to the power of 2 and get 4.
\frac{4a^{7}}{5}a^{2}
To multiply powers of the same base, add their exponents. Add 2 and 5 to get 7.
\frac{4a^{7}a^{2}}{5}
Express \frac{4a^{7}}{5}a^{2} as a single fraction.
\frac{4a^{9}}{5}
To multiply powers of the same base, add their exponents. Add 7 and 2 to get 9.
\frac{\left(-2\right)^{2}a^{2}a^{5}}{5}a^{2}
Expand \left(-2a\right)^{2}.
\frac{4a^{2}a^{5}}{5}a^{2}
Calculate -2 to the power of 2 and get 4.
\frac{4a^{7}}{5}a^{2}
To multiply powers of the same base, add their exponents. Add 2 and 5 to get 7.
\frac{4a^{7}a^{2}}{5}
Express \frac{4a^{7}}{5}a^{2} as a single fraction.
\frac{4a^{9}}{5}
To multiply powers of the same base, add their exponents. Add 7 and 2 to get 9.