16Hit1600
Advanced MathEasy–MediumExponent that makes 4 to the x equal 8

Advanced Math practice question

For what value of x does 4ˣ equal 8?

Answer: 1.5 or 3/2

4ˣ = (2²)ˣ = 2^(2x), and 8 = 2³, so 2x = 3 and x = 3/2.

Common wrong answers

If you answered 2
2 gives 4² = 16.
If you answered 3
3 is the exponent of 2, not of 4.
If you answered 0.5
0.5 gives √4 = 2.

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