ACT 2020 December(D03) Math Question 13 Explanation - ACT Helper

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2020 December(D03) Math Question 13
Exponents, Radicals, & Scientific Notation
- Exponent Expressions
Laws of exponents
Choice C
$\frac{a^{8}}{a^{4}} = a^{8} . a^{- 4}$
$= a^{8 - 4}$
$= a^{4}$
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