The number 9 !
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Oh, dude, that's like a walk in the park. The number you're looking for is 9. Yeah, I know, math can be a real brain-buster sometimes. So, 9 times 9 is 81. Easy peasy, lemon squeezy.
The number that, when multiplied by itself, gives 81 is 9. This is because 9 x 9 = 81. In mathematical terms, we would say that the square root of 81 is 9. So, the number you are looking for is 9.
The number 9 !
The number that, when multiplied by itself, equals 1000 is the square root of 1000, which is approximately 31.62. This is because the square root of a number is the value that, when multiplied by itself, gives the original number. In this case, the square root of 1000 is 31.62 because 31.62 multiplied by 31.62 equals 1000.
Anything you want to be multiplied by 81.
A number "squared" is just a number multiplied by itself. So just work up:1*1=12*2=43*3=94*4=165*5=256*6=367*7=498*8=649*9=81
It is the number that is multiplied by itself to get another number.For example, what number do you multiply by itself to get 25?The answer is 5, because 5 multiplied by itself is 25.Another way to say 5 x 5 is 'five squared', written as 5225 (i.e. the result of 5 x 5) is 'the square' of 5.And 5 is the root, the 'square root' of 25.What might be the square root of 9? (3, because 3 x 3 = 9)So what is the square root of 49 ?