28 = 256
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23 = 8
2 raised to the 8th power, or "2^8", or 256.
The number that, when raised to the power of 2, equals 128 is the square root of 128. The square root of 128 is approximately 11.31. Therefore, 11.31 raised to the power of 2 equals 128.
(-2)^3 = (2*-1)^3 = (2^3)*(-1)^3 = 8*-1 = -8 General behavior: Negative numbers raised to even powers are positive, raised to odd powers are negative.
When you divide numbers with the same base raised to different exponents, you subtract the exponents. In this case, 10 to the power of 8 divided by 10 to the power of 6 is equal to 10^(8-6) which simplifies to 10^2. Therefore, the result is 100.