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any number multiplied by itself three times is a cube number
eg. 3 x 3 x 3 =27
5 x 5 x 5 =125
so 27 is a cube number, so is 125
you can work out if something is a cube number by cube rooting it there is a cube root button on most scientific calculators
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Is 164 a perfect square?
no. 64 is a perfect square and so is 100 but because the property that connects those two numbers is addition it is not a perfect square.
How many cubes would you need to build a stack the was 3 cubes long 2 cubes high and 4 cubes deep?
24 cubes would be it.
How many perfect cubes are between 100 and 900?
There are five of them:5^3 = 1256^3 = 2167^3 = 3438^3 = 5129^3 = 729
A board game comes with 9 white and green number cubes and there are twice as many white cubes as green cubes How many cubes of each color are there?
There are 6 white cubes and 3 green cubes. Algebraically, the equations are W = white cubes, G= green cubes W+G = 9 and W = 2G so substituting we have 2G + G = 9, and 3G = 9, so G=3 and W=6.
Which numbers are perfect squares?
1,4,9. Any number that is an integer squared. So 2x2 is a perfect square. Any whole number times itself.
What is a term for cubed numbers?
Perfect cubes.
Are perfect squares and cubes rational numbers?
Yes. In fact, they are integers.
What are the perfect cubes between 1000 and 3000 that are odd numbers?
1331 and 2197
What are three numbers less than 1000 that are perfect squares and perfect cubes solution?
Answer: 1, 64, & 729
What are some perfect cubes from 100 to 200?
Simply calculate the cubes of a few small numbers, and check which of them are in the desired range.
How many natural numbers up to 5000 are perfect cubes?
The cube root of 5000 is approx 17.1 So the numbers 1 to 17 have cubes which are smaller than 5000 that is, there are 17 such numbers.
What natural numbers less than 100 are both perfect squares and perfect cubes?
64 is the square of 8 and the cube of 4.
Which numbers less than 150 are perfect cubes?
1, 8, 27, 64, and 125
Perfect numbers between 20 and 30?
There are no perfect numbers between 20 and 30. Perfect numbers are numbers that are equal to the sum of their proper divisors, excluding the number itself. The perfect numbers within this range would be 28, but that is incorrect as 28 is not a perfect number.
How many positive three-digit perfect cubes are even?
I believe there are 2 positive three-digit perfect cube numbers, that are even.
What is a list of the cube numbers from 2 to 30?
8 and 27 are the only two perfect cubes in the range.
What five numbers are perfect cubes?
I suppose you could have 13, 23,33,43 and 53 or plenty others as alternatives.
