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They are 1, 4, 9 and 16 because as for example the square root of 9 is 3 becaues 3*3 = 9

Q: What whole numbers have square root between 1 and 20 and how do you know?

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Usually that sort of question wants to know where the square root lies. It is between 7 and 8.

You know that sum of the first n whole numbers is n(n+1)/2. ( it is the same as the first n natural numbers since the zero does not add anything) So lets say you want the sum of all the whole numbers between 3 and 10. ( I made it easy to illustrate the idea.) The sum of the whole numbers between 0 and 3 is 3(4)/2=6 The sum of the whole numbers between 0 and 10 is 10(11)/2=55 So the sum of the whole numbers between 3 and 10 is the (sum of the whole number between 0 and 10) -(sum of whole numbers between 0 and 3) which is 55-6=49 So in general, for whole numbers m and n with m

i do not know figure it out y ur self u got a brain

When they can be square rooted into an exact integer

You could find some numbers that square to numbers close to 45. 6 squared is 36, and 7 squared is 49, so you know it is between 6 and 7 but closer to 7.

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75 is a whole number. Two consecutive whole numbers can't lie between a single whole number. It's possible you want to know about the square root of 75 which lies between 8 and 9, but we can't know that for sure.

To figure this out, I always start with square roots I know, and that are close to 47. So, first, I would figure out that the square root of a number such as 36 is 6. The square root of 49 is 7. Now, since there are no other whole numbers between 6 and 7, and the square root of 47 falls between the square root of 36 and 49, we can say that the square root of 47 is between the whole numbers 6 and 7.

Usually that sort of question wants to know where the square root lies. It is between 7 and 8.

Usually that sort of question wants to know where the square root lies. It is between 9 and 10.

You know that sum of the first n whole numbers is n(n+1)/2. ( it is the same as the first n natural numbers since the zero does not add anything) So lets say you want the sum of all the whole numbers between 3 and 10. ( I made it easy to illustrate the idea.) The sum of the whole numbers between 0 and 3 is 3(4)/2=6 The sum of the whole numbers between 0 and 10 is 10(11)/2=55 So the sum of the whole numbers between 3 and 10 is the (sum of the whole number between 0 and 10) -(sum of whole numbers between 0 and 3) which is 55-6=49 So in general, for whole numbers m and n with m

As written, the question is unanswerable. You will not be able to find two consecutive whole numbers that lie betweena single number. It's possible that you want to find consecutive whole numbers between 5 and 9, but I'm pretty sure you know that would be 6 and 7 or 7 and 8. I've seen this question more frequently referring to the square root of 59 lying between two consecutive whole numbers (7 and 8) but that's a lot of information to leave out.

Once again, before answering the question, it's necessary to pause and explain to the questioner what he really intended to ask: What you're really trying to ask is: "Between what two consecutive whole numbers does the square root of 86 lie ?" And now that you know what your question is, the answer is sure to mean more to you. Here it is: 92 = 81 and 102 = 100 So the square root of 86 lies between 9 and 10 .

A square number is multiplied by two of the same numbers.

i do not know figure it out y ur self u got a brain

When they can be square rooted into an exact integer

Quite a lot. What do you want to know?

It's between 2 and 3. You know this because the next two surrounding perfects squares are 4 and 9, which have square roots of 2 and 3 respectively.