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When taking a number to a negative power, simply take 1 divided by the number that you are taking to the power. For example:
2^-4=
1/(2^4)=
1/16
11² or 11^2.
2 to the power of 11 can be calculated by multiplying 2 by itself 11 times. This results in 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2, which equals 2048. So, 2 to the power of 11 is equal to 2048.
2^11=2048
Determine the prime factors of all three numbers. 8 = 2 x 2 x 2 = 23 16 = 2 x 2 x 2 x 2 = 24 22 = 2 x 11 The LCM is the product of the highest power of each prime factor. The highest power of 2 is 24 = 16 The highest power of 11 is just 11 (technically it is 111 but this equals 11) The LCM is therefore 16 x 11 = 176.
x = +11 or -11