ALEKS Basic Math Placement Practice Test 2025 – Your All-in-One Guide to Mastering Assessment and Learning in Knowledge Spaces!

Question: 1 / 400

How can you represent a negative exponent as a fraction?

By multiplying by -1

By converting it to a positive exponent in the denominator

A negative exponent indicates that the base should be taken as a reciprocal. In mathematical terms, if you have a base \( b \) raised to a negative exponent \( -n \), it can be expressed as \( \frac{1}{b^n} \). This means that to represent the negative exponent correctly as a fraction, you convert the negative exponent into a positive one by moving the base to the denominator of a fraction. This is why the correct approach is to convert the negative exponent to a positive exponent in the denominator. This transformation allows for the expression to be accurately represented in fractional form.

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By adding to the numerator

By squaring the base

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