Advanced MathEasy–MediumNegative exponent from a decimal
Advanced Math practice question
If 10ˣ = 0.001, what is the value of x?
Answer: -3
0.001 = 1/1000 = 10⁻³, so x = −3.
Common wrong answers
- If you answered 3
- 3 gives 1,000, not 0.001.
- If you answered -2
- −2 gives 0.01.
- If you answered -4
- −4 gives 0.0001.
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