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17 June, 14:10

How many real cube roots does 729 have?

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  1. 17 June, 17:56
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    three cube roots

    Step-by-step explanation:

    What is the cube root of 729? As this digit sum is a multiple of 9, this tells us that 729 is a multiple of 9. Dividing 729 by 9 gives us 81, which you should know is 9 multiplied by 9. Hang on, that means we have three cube roots for 729, not one.
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