Question

Какая первая цифра в шестнадцатеричной записи числа 2^1024+2^1025 ?

Answer 1

$displaystyle 2^{1024}=1underbrace{00dots0}_{1024}_2, 2^{1025}=1underbrace{00dots0}_{1025}_2=10underbrace{00dots0}_{1024}_2 \2^{1024}+2^{1025}=11underbrace{00dots0}_{1024}_2 =0011underbrace{00dots0}_{1024}_2=3underbrace{00dots0}_{256}_{16}$

Ответ: 3₁₆