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Serjik [45]
4 years ago
13

I need help with this question

Mathematics
1 answer:
Maslowich4 years ago
8 0
20 divided by 2 equal 10 and the rest are counting by twos please
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  see below

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For simplifying expressions of this sort, there are four rules of exponents that come into play;

  a^ba^c=a^{b+c}\\\\(ab)^c=a^cb^c\\\\(a^b)^c=a^{bc}\\\\\dfrac{1}{a^b}=a^{-b}\ \quad\text{which means}\quad a^b=\dfrac{1}{a^{-b}}

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I find it convenient to eliminate the fractions by adding the exponents, then rewrite any negative exponents as denominator factors.

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