1/(4x2), we can write also (1/4)x-2, but we prefer positive exponents.
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It is 1/(4x)2
5
(4x^-4)^-2 = ?
A negative exponent is the same as the reciprocal of the number with a positive exponent.Thus 2^(-4) is the reciprocal of 2^4. Now 2^4 = 16 and the reciprocal of 16 is 1/16 so 2^-4 = 1/(2^4) = 1/16 = 0.0625
When you have a negative exponent on, say, 4, it will be written 4^-2 You basically take the reciprocal of it and change the exponent to a positive one. 4^-2 would be 1/4^2