Odpowiedź:
[tex]a) \ 2^{30}\cdot3^{25}=2^{5}\cdot2^{25}\cdot3^{25}=2^{5}\cdot(2\cdot3)^{25}=32\cdot6^{25}[/tex]
[tex]b) \ 120^{4}:40^{2}=(3\cdot40)^4:40^{2}=3^{4}\cdot40^{4}:40^{2}=3^{4}\cdot40^{2}=81\cdot40^{2}[/tex]
[tex]c) \ 14^{9}:7^{6}=(2\cdot7)^{9}:7^{6}=2^{9}\cdot7^{9}:7^{6}=512\cdot7^{3}[/tex]
Szczegółowe wyjaśnienie:
[tex]a^{m}\cdot a^{n}=a^{m+n}[/tex]
[tex]a^{m}: a^{n}=a^{m-n}[/tex]
[tex]a^{n}\cdot b^{n}=(a\cdot b)^{n}[/tex]
[tex]a^{n}:b^{n}=(a:b)^{n},\ b\ne0[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
[tex]a) \ 2^{30}\cdot3^{25}=2^{5}\cdot2^{25}\cdot3^{25}=2^{5}\cdot(2\cdot3)^{25}=32\cdot6^{25}[/tex]
[tex]b) \ 120^{4}:40^{2}=(3\cdot40)^4:40^{2}=3^{4}\cdot40^{4}:40^{2}=3^{4}\cdot40^{2}=81\cdot40^{2}[/tex]
[tex]c) \ 14^{9}:7^{6}=(2\cdot7)^{9}:7^{6}=2^{9}\cdot7^{9}:7^{6}=512\cdot7^{3}[/tex]
Szczegółowe wyjaśnienie:
[tex]a^{m}\cdot a^{n}=a^{m+n}[/tex]
[tex]a^{m}: a^{n}=a^{m-n}[/tex]
[tex]a^{n}\cdot b^{n}=(a\cdot b)^{n}[/tex]
[tex]a^{n}:b^{n}=(a:b)^{n},\ b\ne0[/tex]