Squares and Square Roots

All square numbers are positive.

• True

• False

 Fill in the blank with the correct choice:

 $1034635^2$ is an ___________ number.

The number of zeros in $\sqrt{160000}$  are: 

• 1

• 2

• 3

The square root of: $\frac{625}{169}$  

•  $\frac{25}{16}$  

•  $\frac{15}{13}$  

•  $\frac{25}{13}$  

The prime factors of 405 are:

• 9 X 9 X 5

• 3 X 9 X 5

• 3 X 3 X 3 X 5

What is the least number by which 384 should be multiplied to make it a perfect square?

• 2

• 6

• 3

The smallest number that should be subtracted from 5839 to make it a perfect square is _________

What is the value of $\sqrt{1.44}$  

• 1.2

• 0.12

• 12

The square of -39 is

• Positive

• Negative

• Zero

• 39

The least number by which 675 should be divided to make it a perfect square is ______________