September 2018 1 12 Report

1. Oblicz:
a) (-3 3/5)^2
b ) -0,14^2
c) 0,4^3
d) 5^3 * 5^8/5^9
e) 34^5 : 17^5
f) ((3^7 * 3^2)^2 : 3^17)^-3
g) (-7)^-1
h) (0,2)^-3

2. Liczba a jest dodatnia, zapisz jak najprościej wyrażenie: (a^4)^3 : a^4/(a^2 * a)^2 * a
3. Rozwiąż równania:
a) 3^3 * 3^5 = 3^x
b ) 8^4 = x^12
c) 2^-9 = (1/2)^x
d) (2^x)^2 = 4 * 2^2

4. Zapisz w notacji wykładniczej
a) 23400000000000
b ) 0, 00000056
c) 426 * 10^-3
d) 0,012 * 10^6

Lęgenda
^ - do potęgi
* -mnożenie (razy)
/ - kreska ułamkowa (np. jedna druga, trzy czwarte, każdy wie o co cmon)


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