Math Tests - mathematics practice questions

Exponents and roots with fractional base

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$$a^{−1}=1/a$$

$$a^{−n}=1/{a^n}$$

$$a^{1/n}=√^{n}a$$

$${a^m}/{a^n}=a^{m−n}$$

$$√{a/b} = √a/√b$$

$$(a/b)^n=a^n/b^n$$

   
   

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