Question

Explain why 3^6 x 5^4 is a perfect square

Answer 1

becasue when you take the sqrt of it, nothing is left under the radical

Answer 2

the exponents are even so they are divisible by 2

Answer 3

sqrt(3^6 5^4) = 3^(6/2) 5^(4/2) = 3^3 5^2

Answer 4

it is a perfect square because the square root of the result is an integer

Answer 5

amistre64
haha.. right :)

Answer 6

yes, the square root is an integer.

Answer 7

perfect squares need not be integers tho ... just unradicalized :) if i recall it right

Answer 8

numbers without decimal places...

Answer 9

http://www.mathwords.com/p/perfect_square.htm