Even and Odd

How many 2016 digits number are there so that their leftmost and right most digits both are even?

2 × 1 0 2015 2 \times 10^{2015} 25 × 1 0 2015 25 \times 10^{2015} 25 × 1 0 2014 25 \times 10^{2014} 2 × 1 0 2014 2 \times 10^{2014}

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