Examlex
The depth from the surface of Earth to the top of its liquid core is about _____ km.
Simplify
The process of reducing an expression to its most compact or simplest form without changing its value.
Expression
An arrangement of symbols representing a value or denoting a mathematical operation, without an equality sign.
Exponents
Numbers that indicate how many times a base is to be multiplied by itself.
Rational Exponents
Exponents that are fractions, where the numerator represents a power and the denominator represents a root of the base number.
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