Matematyka

Autorzy:Praca zbiorowa

Wydawnictwo:GWO

Rok wydania:2016

Znajdź liczby x i y. 4.14 gwiazdek na podstawie 7 opinii
  1. Gimnazjum
  2. 2 Klasa
  3. Matematyka

`a) \ 1 \ "kg" \ = \ 10^x \ "dag"`    
`1 \ "kg" \ = \ 100 \ "dag" \ = \ 10^2 \ "dag"`   

Zatem x=2


`1 \ "dag" \ = \ 10^y \ "kg"`   
`1 \ "dag" \ = \ 1/100 \ "kg" \ = \ 1/10^2 \ "kg" \ = \ 10^-2 \ "kg"`   

Zatem y=-2.
`ul(ul( \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ))` 


`b) \ 1 \ "l" \ = \ 10^x \ "ml"` 
`1 \ "l" \ =1000 \ "ml" \ = \ 10^3 \ "ml"` 

Zatem x=3

`1 \ "ml" \ = \ 10^y \ "l"` 
`1 \ "ml" \ = \ 1/1000 \ "l" \ = \ 1/10^3 \ "l" \ = \ 10^(-3) \ "l"` 

Zatem y=-3
`ul(ul( \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ))` 


`c) \ 1 \ "m" \ = \ 10^x \ "cm"` 
`1 \ "m" \ = \ 100 \ "cm" \ = \ 10^2 \ "cm"` 

Zatem x=2.  

`1 \ "cm" \ = \ 10^y \ "m"` 
`1 \ "cm" \ = \ 1/10^2 \ "m" \ = \ 10^-2 \ "m"`  

Zatem y=-2
`ul(ul( \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ))` 


`d) \ 1 \ "t" \ = \ 10^x \ "g"` 
`1 \ "t" \ = \ 1000 \ "kg" \ = \ 1 \ 000 \ 000 \ "g" \ = \ 10^6 \ "g"` 

Zatem x=6

`1 \ "g" \ = \ 10^y \ "t"` 
`1 \ "g" \ = \ 1/10^6 \ "t" \ = \ 10^-6 \ "t"` 

Zatem y=-6