If 2 raised to the 2 x power is equal to 2 cubed , what is the value of x ?
Answer
A
negative 2
B
2
C
3 halves
D
2 thirds
Explanation
Both sides are powers of 2, so their exponents must be equal: 2x = 3. Divide both sides by 2 to get x = 3/2, or 3 halves. Therefore, the correct choice is 3 halves.
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