The real cube root of 1 is 1, since 13 = 1. There also a pair of complex cube roots.
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-1X-1X-1=-1 therefore cube root of -1 = -1
Find the cube root of the volume. Volume of a cube = length of side^3 therefore length of side = volume^(1/3)
The cube root of 1 will also be 1. You can check with the complementary operation: 1*1*1=1 (true).
You can find this answer by taking (545)^(1/3), which equals 8.16830917
The cube root of -1 ("minus 1" or "negative 1") is -1. In fact all odd-numbered roots (i.e., the fifth root, the seventh root, the ninth root, etc.) of -1 are -1.