1.3 Exercises

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Övning 1.3:1

Beräkna

a) \displaystyle 2^3\cdot3^2 b) \displaystyle 3^5\cdot9^{-2} c) \displaystyle (-5)^3 d) \displaystyle \Bigl(\displaystyle \frac{2}{3}\Bigr)^{-3}


Övning 1.3:2

Skriv som en potens av \displaystyle 2

a) \displaystyle 2\cdot4\cdot8 b) \displaystyle 0{,}25 c) \displaystyle 1


Övning 1.3:3

Skriv som en potens av \displaystyle 3

a) \displaystyle \displaystyle \frac{1}{3} b) \displaystyle 243 c) \displaystyle 9^2 d) \displaystyle \displaystyle \frac{1}{27} e) \displaystyle \displaystyle \frac{3}{9^2}


Övning 1.3:4

Beräkna

a) \displaystyle 2^{9}\cdot2^{-7} b) \displaystyle 3^{13}\cdot9^{-3}\cdot27^{\,-2} c) \displaystyle \displaystyle \frac{5^{12}}{5^{-4}}\cdot(5^{2})^{-6}
d) \displaystyle 2^{2^{\scriptstyle3}}\cdot(-2)^{\scriptstyle-4} e) \displaystyle 625\cdot(5^{8}+5^{9})^{-1}