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Work out: 340 x 3⁻²⁰ / 35

Mathematics

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Answer

3−183^{-18}

Step-by-step solution

2 steps

Ili kutatua tatizo hili, tutatumia sheria za vipeo (exponents).

  1. Rahisisha sehemu ya kwanza ya usemi, ambayo ni 31038\frac{3^{10}}{3^8}.

    Tunatumia sheria ya vipeo inayosema kwamba aman=am−n\frac{a^m}{a^n} = a^{m-n}.

    31038=310−8=32\frac{3^{10}}{3^8} = 3^{10-8} = 3^2
  2. Sasa zidisha matokeo ya Step 1 na 3−203^{-20}.

    Tunatumia sheria ya vipeo inayosema kwamba am×an=am+na^m \times a^n = a^{m+n}.

    32×3−20=32+(−20)=32−20=3−183^2 \times 3^{-20} = 3^{2 + (-20)} = 3^{2-20} = 3^{-18}

    Jibu la mwisho ni:

    3−183^{-18}
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