Question

Scrie urmatoarele numere naturale in baza 10:

a) 101 in baza 2 = ? in baza zece
b) 1101 in baza 2 = ? in baza zece
c) 10110 in baza 2 = ? in baza zece
d) 11001 in baza 2 = ? in baza zece

DAU COROANA!

Answer 1

a) 101(2) = 1 × 2^2 + 1 × 2^0 = 4 + 1 = 5

b) 1101(2) = 1 × 2^3 + 1 × 2^2 + 1 × 1^0 =

= 8 + 4 + 1 =

= 13

c) 10110(2) = 1 × 2^4 + 1 × 2^2 + 1 × 2^1 = 16 + 4 + 2 = 22

d) 11001(2) = 1 × 2^4 + 1 × 2^3 + 1 × 2^0 = 16 + 8 + 1 = 25