VA ROGGG DAU COROANA URGENT EX 5 SI 6 DACA NU SE POT AMBELE MACAR 5


VA ROGGG DAU COROANA URGENT EX 5 SI 6 DACA NU SE POT AMBELE MACAR 5 class=

Răspuns :

Răspuns:

5)

a) [tex] {2}^{38} [/tex]

b) [tex] {3}^{187} [/tex]

c) [tex] {7}^{103} [/tex]

d) [tex] {2}^{8} [/tex]

e) [tex] {5}^{36} [/tex]

f) [tex] {2}^{34} [/tex]

g) [tex] {10}^{180} [/tex]

h) [tex] {2}^{167} [/tex]

i) [tex]{3}^{18} [/tex]

Vezi imaginea TEODORAMITITELU
Vezi imaginea TEODORAMITITELU

[tex]\it 5.\\ \\ a)\ 2^{17}\cdot2^{21}=2^{17+21}=2^{38}\\ \\ d)\ 2^{47}:2^{39}=2^{47-39}=2^8\\ \\ i)\ 3^{108}:(3^{15})^6=3^{108}:3^{15\cdot6}=3^{108}:3^{90}=3^{108-90}=3^{18}\\ \\ j)\ (3^7\cdot5^{12})^2=(3^7)^2\cdot(5^{12})^2=3^{14}\cdot5^{24}\\ \\ k)\ (2^{10}\cdot3^7)^9:(2^5\cdot3^6)^{10}=2^{90}:2^{50}\cdot3^{63}:3^{60}=2^{40}\cdot3^3=27\cdot2^{40}[/tex]

[tex]\it 6.\\ \\ a)\ (5^{17}\cdot5^{18}+7^{23}:7^{15}):(7\cdot7^2\cdot7^5+5^{50}:5^{15})=\\ \\ =(5^{35}+7^{8}):(7^8+5^{35})=(5^{35}+7^{8}):(5^{35}+7^{8})=1[/tex]