What is the cube root of -729
2 answers:
Answer:
-9
Step-by-step explanation:
-9 x -9 x -9 = -729
-9 x -9 = 81 x -9 = -729
Answer:
-9
Step-by-step explanation:
The problem can be easily solved if you know your cube table. Because by knowing that, you know that 9³ is 729, meaning that -9³ would be -729.
Without knowing your cube tables, you can do -9 x -9 x -9 = -729.
Since -9 x -9 = 81, you can use a calcuator or solve on paper for 81 x -729.
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