Hello, iam Tamika Salas, Have a splendid day!
Ah, the perfect cube root! It’s a tricky concept to wrap your head around, but once you get it, you’ll be a pro. You know what they say: practice makes perfect! So let’s dive in and take a look at the 21 perfect cube root. From 3³ to 27³, these numbers are sure to give you a run for your money - but don’t worry, with some patience and dedication you’ll have them down pat in no time. Ready? Let’s go!
Is 21 A Perfect Cube Root? [Solved]
Yeah, it makes sense that the cube root of 21 is irrational ‘cause 3 and 7 can’t be expressed as a fraction with a non-zero denominator. So, it’s an irrational number for sure. Hey, while you’re at it, check out the cube root of 288 too!
1: The cube root of 1 is 1, which is the smallest perfect cube root.
8: The cube root of 8 is 2, which can be calculated by multiplying 2 by itself twice (2 x 2 x 2).
27: The cube root of 27 is 3, which can be calculated by multiplying 3 by itself twice (3 x 3 x 3).
64: The cube root of 64 is 4, which can be calculated by multiplying 4 by itself twice (4 x 4 x 4).
125: The cube root of 125 is 5, which can be calculated by multiplying 5 by itself twice (5 x 5 x 5).
216: The cube root of 216 is 6, which can be calculated by multiplying 6 by itself twice (6 x 6 x 6).
343: The cube root of 343 is 7, which can be calculated by multiplying 7by itself twice (7x 7x 7).
512: The cube root of 512 is 8, which can be calculatedbymultiplying 8byitselftwice(8x8x8).
729:Thecuberootof729is9whichcanbecalculatedbymultiplying 9byitselftwice(9x9x9)
1000 :Thecuberootof1000is10whichcanbecal
The perfect cube root of 21 is 3 - it’s the number you get when you cube (multiply by itself three times) 3. Easy peasy!
