The cubed root of 64 is 4.
(4)2 Four squared is 16.
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The cube root of 729 is 9 and 9 squared is 81.
The cube root of 343 is 7.7 squared is 49.
The cube of a number occurs when three of that number have been multiplied together - This is also referred to as 'raising to the power of 3'. So. 4 x 4 x 4 = 64 is 4 cubed (or 43). The cube root of a number is the number whose cube equals the given number. So, the cube root of 64 is 4, (as 4 cubed equals 64).
x^2 = 64 x = +,- square root of 64 = +,- 8. Thus, x = -8 or x = 8
64 x 64 x 64 = 262,144√ 262,144 = 512Another way of arriving at this is to take the square root of 64, and cube it - 8 x 8 x 8 also = 512