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Mathematics 19 Online
OpenStudy (winsteria):

medal and fan

OpenStudy (winsteria):

Which number is a perfect cube? 9 18 27 36

OpenStudy (lunymoony):

A perfect cube is the result of multiplying a number three times by itself. We can also say that perfect cubes are the numbers that have exact cube roots. 1, 8, 27, 64, 125, 216, 343, 512, 729, 1,000, 1,331, 1,728, 2,197, 2,744, 3,375...

OpenStudy (welshfella):

a cube is a number resulting from another number being muliplied 3 tmes

OpenStudy (welshfella):

eg 8 is a cube because 2*2*2 = 8

OpenStudy (welshfella):

no 6*6 = 36 36 is a perfect square

OpenStudy (winsteria):

oh sorry uh

OpenStudy (winsteria):

3*3*3= 27?

OpenStudy (welshfella):

thats correct 27 is a perfect cube and 3 is called the cube root of 27

OpenStudy (winsteria):

Thank you

OpenStudy (welshfella):

yw

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