Karolpiotrowski0509viz
Rozwiązane

6. Oblicz:
a) 2^6 * (-2)3 : (-2)8
c)
(-7)
78.
b)
57 · (-5)24
513 . 518
d) (
4​

Odpowiedź :

Viciu1viz

a) 2^6 * (-2)^3 : (-2)^8 = 2^6 * 2^3 : -2^8 = -2

b) 5^7 * (-5)^24/5^13 * 5^18 = 5^7 * 5^24/5^31 = 5^31/5^31 = 1

c) (-7)^10/ 7^8 * (-7) = -7^10/7^9 = -7

d)(-1/4)^5 : 0,25^2 = -(1/4)^5 : (1/4)^2 = -(1/4)^3 = -1/64

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