Evaluate:

$8^0 + 4^0 + 2^0$

According to property of exponents, $a^0 = 1$

$8^0 + 4^0 + 2^0 \\[1em] = 1 + 1 + 1 \\[1em] = 3$

Hence, $8^0 + 4^0 + 2^0 = 3$