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5x\times \left(2a^{5}\right)^{4}=2^{4}
To multiply powers of the same base, add their exponents. Add 3 and 2 to get 5.
5x\times 2^{4}\left(a^{5}\right)^{4}=2^{4}
Expand \left(2a^{5}\right)^{4}.
5x\times 2^{4}a^{20}=2^{4}
To raise a power to another power, multiply the exponents. Multiply 5 and 4 to get 20.
5x\times 16a^{20}=2^{4}
Calculate 2 to the power of 4 and get 16.
80xa^{20}=2^{4}
Multiply 5 and 16 to get 80.
80xa^{20}=16
Calculate 2 to the power of 4 and get 16.
80a^{20}x=16
The equation is in standard form.
\frac{80a^{20}x}{80a^{20}}=\frac{16}{80a^{20}}
Divide both sides by 80a^{20}.
x=\frac{16}{80a^{20}}
Dividing by 80a^{20} undoes the multiplication by 80a^{20}.
x=\frac{1}{5a^{20}}
Divide 16 by 80a^{20}.