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Cel mai inteligent răspuns!
2014-09-27T17:27:11+03:00
Ai urmatorii termeni:
4²=2⁴
  \frac{1}{2} ^{9}=2 ^{-9}
 \frac{1}{8}^{7}= \frac{1}{2^{3}}^{7}=(2^{-3})^{7}=2^{-21}
16⁵=4²*⁵=4¹⁰=2²⁰

2⁴ * 2^{-9} * 2^{-21} * 2²°= 2^{-6} ;


Totul bazat pe  proprietatile  puterilor:
 \frac{1}{y^{n} }=y^{-n}
 (x^{n})^{m}=x ^{nm}
 x^{n}* x^{m}= x^{nm}




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