To jest zadanie 3/16 Matematyka 2
Oblicz sprytnie
a) 27×3do potęgi 9: 3 do potęgi 10
b) 125×5 do potęgi 7: 5 do potęgi 9
c) 64×2do potęgi 9 : 2 do potęgi 10
;)
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a) 27 * 3^9 : 3^10 = 3^3 * 3^9 : 3^10 = 3^12 : 3^10 = 3^2 = 9
b) 125 * 5^7 : 5^9 = 5^3 * 5^7 : 5^9 = 5^10 : 5^9 = 5
c) 64 * 2^9 : 2^10 = 2^6 * 2^9 : 2^10 = 2^15 : 2^10 = 2^5 =32
^ ----> potęga