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Class 9MathematicsNumber SystemsExponentsHard
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If (b^3=10648) then what is (b)?

Answer and explanation

Correct answer: 22

Since b^3=10648, the value of b is the cube root of 10648. Checking the options, 22^3=22×22×22=484×22=10648; therefore, b=22 and option C is correct. In the exam, checking the cubes of the given options is a quick and reliable method.

Related tags

Number SystemsExponentsCube RootsPerfect CubesMathematicsClass 9 Mcq
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