Here we will explain how to simplify the cube root of 7290 (∛7290). We start by labeling the parts of ∛7290 so it is easy to follow along:
∛7290 = 1∛7290 = c∛r
c = coefficient of the radical
∛ = radical
r = radicand
The cube root of 7290 in its simplest form means that you want the radicand to be as small as possible and the coefficient of the radical to be as large as possible.
To simplify the cube root of 7290, we first find the greatest perfect cube from the list of factors of 7290. The factors of 7290 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 3645, and 7290.
Any number multiplied by itself three times will make a perfect cube. The greatest perfect cube from the list of factors above is 729 (9 times 9 times 9 equals 729).
To find the simplified radicand (r) in the cube root of 7290, we divide 7290 by 729, which gives us 10.
To find the simplified coefficient of the radical (c) in the cube root of 7290, we take the cube root of 729, which gives us 9.
That is how you simplify the cube root of 7290. Therefore, the cube root of 7290 in its simplest radical form is as follows:
∛7290 = 9∛10
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