Practice problem
Evaluate: (444)0(4^{4^{4}})^0(444)0
1.341×101541.341 \times 10^{154}1.341×10154
1.34×10151.34 \times 10^{15}1.34×1015
4644^{64}464
111
Type a concept, like “slope” or “photosynthesis”.