Question

2¹*2²*2³*2⁴*.....*2⁴⁵

Answer 1

=2 ¹⁺² ⁺³⁺  ...... ⁺ ²⁵  = 2³⁰⁰
1+2+ ..... + 25 = ( 1 +25 ) · 25 /2 = 26·25 /2 = 13 ·25 =300

Answer 2

$2^{1+2+3}$ + $2^{5}$
= ( 1+25)*25/2
=25*26/2
=25*13
=300