Question

2 la puterea 28 plus 2 la puterea 28.

Answer 1

$2 {}^{28} + {2}^{28} =1 \times 2 {}^{28} + 1 \times {2}^{28} = (1 + 1) \times {2}^{28} = 2 \times {2}^{28} = {2}^{1 + 28} = {2}^{29}$