Question

ex.2-inima,ex.3-coroana ,ambele ex.stea
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Answer 1

ex2.

a) 11 : 2 = 5 rest 1

5: 2 = 2 rest 1

2:2 = 1 rest 0

1:2=0 rest 1

$11_{(10)} = 1011_{(2)}$

b) 24 : 2 = 12 rest 0

12:2=6 rest 0

6 :2=3 rest 0

3:2=1 rest 1

1:2=0 rest 1

$24_{(10)} = 11000 _{(2)}$

ex3.

(3 ori 3^5)^7-27^14

(3^6)^7 -27^14= 3^42-27^14

se lasa asa.

aceeasi baza exponentii se aduna la inmultire 5+1

apoi se face 6 ori 7, exponentii se inmultesc si ne da 3 la puterea 42.

sper ca te am ajutat

succes si spor