If negative 3 to the negative 5 power is equal to 1 over x , what is the value of x ?
Answer
A
negative 243
B
1 over 243
C
243
D
negative 1 over 243
Explanation
A negative exponent means take the reciprocal: (−3)⁻⁵ = 1/(−3)⁵ = −1/243. Since this equals 1/x, we have 1/x = −1/243, so x = −243. The correct choice is negative 243.
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