A few days ago
Miss Klezmer

I need help with a grade 8 math question?

A number is squared. The result is squared, then that result is squared. The final number is 6561.

a) What was the original number?

b) What were the next two numbers?

c) Which of these numbers are perfect squares?

Thanks so much!!

Top 4 Answers
A few days ago
Troy G

Favorite Answer

a) 3

b) 9, 81

c) 9 and 81 are perfect squares

square root of 6561 = 81

square root of 81 = 9

square root of 9 = 3

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A few days ago
bambinoski
The original number is squared 3 times.

a. Original number is 3

b. 9 , 81

c)all are perfect squares 3,9,81,6561

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A few days ago
Anonymous
a) sqrt(sqrt(6561)) = 9

b) 81, 6561

c) all of them (3*3=9, 9*9=81, 81*81=6561)

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A few days ago
Fredster
Use the sqrt button on you calculator!!!!
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