\left(\frac{4}{5}\right)^{6}\cdot\left(\frac{4}{5}\right)^{7}

Answer 1

=\left(\frac{4}{5}\right)^{6+7}
=\left(\frac{4}{5}\right)^{13}
=\frac{4^{13}}{5^{13}}
=\frac{67108864}{1220703125}
≈0.0549