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What is the cube root of 729?
Answer: -9 -9 * -9 = 81 81 * -9 = -729
What is 9 to the third power?
93=9*9*9. 9*9 is 81, and 81*9 is 729. 93=729.
Value of 9 cubed?
9 x 9 x 9 = 729
IS 729 perfect square or perfect cube?
It is both because 27*27 = 729 and 9*9*9 = 729
How can you tell if a number is divisible by 9?
Any number which is divisible by 9 contains digits which, when added together, are equal to 9 or a multiple of 9. For example, 63 is divisible by 9 because 6 + 3 = 9. 288 is divisible by 9 because 2 + 8 + 8 = 18 and 18/9 = 2.
Is 729 divisible by 8 and 9?
No.
Is 729 divisible by 9?
Yes. 729 divided by 9 is 81.
What is 729 by?
729 is divisible by 1, 3, 9, 27, 81, 243, 729.
How could you adapt the rule for division by 3 to decide easily when a number is divisible by 9?
Just add up the digits and if that sum is divisible by 9 then the original number is divisible by 9. Example 729 = 7+2+9 = 18 (18 is divisible by 9 therefore 729 is divisible by 9) 123456789 = 1+2+3+4+5+6+7+8+9 = 45 (45 is divisible by 9 therefore 123456789 is divisible by 9)
How do you know that 729 is not a prime number?
It is divisible by 9.
What is divisible by 729?
Multiples of 729.
Is 729 divisible by3?
Since the sum, 18, of the digits of 729 is divisible by 3, 18 = 3 x 6, then 729 is divisible by 3.
What is -8 over 9 to the 3 power?
If the question is, What is -8/93 ? Then, -8/93 = -8/729 = - 0.01097 (5dp) If the question is, What is (-8/9)3 Then, (-8/9)3 = -512/729 = 0.70233 (5dp)
Is 729 divisible by 2?
No.
Is 8 divisible by 9?
is 18 divisible by 9
Is 72 divisible by 9 8 6?
Yes, 72 is divisible by 9. It is not divisible by 8 or 6.
Is 729 divisible by 6?
yes!
