Question

ex 5 plss am nevoie plss

Answer 1

Răspuns:

a) 101011=43

0 × 2⁷ + 0 × 2⁶+ 1 × 2⁵ + 0 × 2⁴ + 1 × 2³ + 0 × 2² + 1 × 2¹ + 1 × 2⁰=0 + 0 + 32 + 0 + 8 + 0 + 2 + 1=

32 + 8 + 2 + 1=

43

53 ≠ 43

___________

b) 101110=46

101101=45

46 > 45

_____________

c) 11100=28

11110=30

28+30=58

___________

d) 1100=12

14+12=26

____________

e) 1011=11

27⁵:3¹³=(3³)⁵:3¹³=3¹⁵⁻¹³=3²=9

11 > 9

________

f) 11011=27

110110=54

2·27=54

54=54

_____________

g) 11001=25

25=5² → patrat perfect

________

h) 11011=27

27=3³ → cub perfect