Zapisz w postaci jesnej potęgi:
a) 25 * 5³ * 5⁰
b) 1/81 * 1/9 * (⅓)⁷
c) 9 * 3⁹ * 27
-----------
3⁷ : 3⁴
d) 7¹ : 49
--------
7⁴ * 7³
Legenda:
* - pomnożyć
---------- - kreska ułamkowa
1/81 - jedna osiemdziesiąta druga
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A) 25 * 5³ * 5⁰ = 5do2 * 5³ * 5⁰ = 5 do 5
B) 1/81 * 1/9 * (⅓)⁷ = 3⁴ * 3 do 2 * 3 do -7 =3 do -1
C) 9 * 3⁹ * 27 = 3do2 * 3⁹ * 3³ =3do14
----------- _________ ---------- = 3do11
3⁷ : 3⁴ 3³ 3³
D)
d) 7¹ : 49 = 7do-1
-------- ------------ = 7do-8
7⁴ * 7³ 7⁷
a) 5do potegi 5
b)1/3 do potegi 13
c) 3 do potegi 11
d) 7 do potegi -8
chyba dobrze.