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If (a^3=125) then what is the value of (a)?
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Answer and explanation
Correct answer: 5
Since \(125=5^3\), the equation \(a^3=125\) gives \(a=5\). Option 4 is incorrect because \(4^3=64\), not 125. Exam tip: remember common perfect cubes such as \(3^3=27\), \(4^3=64\), and \(5^3=125\).
Frequently asked questions
What is the correct answer to this question?
5
Why is this the correct answer?
Since \(125=5^3\), the equation \(a^3=125\) gives \(a=5\). Option 4 is incorrect because \(4^3=64\), not 125. Exam tip: remember common perfect cubes such as \(3^3=27\), \(4^3=64\), and \(5^3=125\).
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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