Find the square of 25/9?

👨🏻‍🏫 學術台數學

[匿名]

2009-05-01 3:38 pm

The answer to this is:

7 58/81

But how do you get this?

回答 (7)

An ESL Learner

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

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[匿名]

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....

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norman

2009-05-01 10:43 pm

25*25/(9*9)
=625/81
= 7 58/81

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[匿名]

2009-05-01 10:42 pm

square both 25 and 9
you get 625/81
reduce that and you get 7 58/81

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[匿名]

2009-05-01 10:42 pm

you square both 25 and 9
but keep the fraction

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[匿名]

2009-05-01 10:42 pm

25Â²/9Â²

= 625/81 = 7 58/81

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[匿名]

2009-05-01 10:42 pm

put it into a calculator and press the square button

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