9x99 = 891 and also 27x33 = 891. Done by (9x3)x(99/3) = 891
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a number that divide an other number
well.... if you had more then one number system and we dont use them, then the one we use is better because we use it, other wise we would use a different system. hope this helped :)
For the same reasons other civilisations use them. To calculate.
The mathematical symbol one can use when finding the square root of a number is y2=a. In other words y is a square number as a result of multiplying the number by itself (y x y)
In order to find the other number, we can use the relationship between the HCF and LCM. By multiplying the HCF and LCM together and dividing by one of the numbers, we can find the other number. So, (11 * 7700) / 275 = 308. Therefore, the other number is 308.