Which of the following is a perfect square? A 127 B 100 C 13 D 102
2 answers:
Answer: 100.
Justification.
A perfect square is a number that can be expressed and the square of an integer.
In this case, 10^2 = 100, so 100 is a perfect square.
It is a good idea to memorize the first perfect squares. I recommend you memorize the squares of the numbers from 1 to 14. That will help you a lot in some standardized tests,which requires to answer some quesitons fast:
Justification.
A perfect square is a number that can be expressed and the square of an integer.
In this case, 10^2 = 100, so 100 is a perfect square.
It is a good idea to memorize the first perfect squares. I recommend you memorize the squares of the numbers from 1 to 14. That will help you a lot in some standardized tests,which requires to answer some quesitons fast:
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<u>Answer:</u>
4.5 foot is needed for a unit dozen bird house
<u>Explanation:</u>
Given Tina saw ¾ foot of wooden trim is being used for first 1/6 dozen bird houses
Therefore, we can write as,4
1/6 dozen = ¾ foot
For 1 dozen bird houses, we have to use the unitary method
1/6 dozen = ¾ foot
Therefore, 1 dozen or unit dozen =
1 dozen = ¾ * 6 = foot = 4.5 foot
Therefore, 4.5 foot is needed for a unit dozen bird house