Find the square of 25/9?

2009-05-01 3:38 pm
The answer to this is:

7 58/81

But how do you get this?

回答 (7)

2009-05-01 5:05 pm
✔ 最佳答案
(25/9)^2
= (25^2)/(9^2)
= (25 x 25)/(9 x 9)
= 625/81
= 7 58/81
2009-05-01 10:45 pm
25.25=625
9.9=81

625/81=7 58/81

(81 into 7=567
567+58=625)
LOL....
2009-05-01 10:43 pm
25*25/(9*9)
=625/81
= 7 58/81
2009-05-01 10:42 pm
square both 25 and 9
you get 625/81
reduce that and you get 7 58/81
2009-05-01 10:42 pm
you square both 25 and 9
but keep the fraction
2009-05-01 10:42 pm
25²/9²

= 625/81 = 7 58/81
2009-05-01 10:42 pm
put it into a calculator and press the square button


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