find the perfect square number among these numbers. 128,289,77,144,153 with explained
Answers
SQUARE ROOT OF
128 = The square root of 128 is approximately 11.304. If we factor the square root of 128 to look for a perfect square we see that 2 *64 is a factor of 128....
289 = 17 Once again, the square root of 289 is 17.
77 = approximately 8.77
Answer and Explanation:
The square root of 77 is approximately 8.77. Because 77 is not a perfect square, we know that √(77) is an irrational number.
144 = The value of the square root of 144 is equal to 12. In radical form, it is denoted as √144 = 12.
153 = Like we said above, since the square root of 153 is an irrational number, we cannot make it into an exact fraction.
HERE IS METHOD TO FIND PERFECT SQUARE ROOT
Examine both the units digits and the digital roots of perfect squares to help determine whether or not a given number is a perfect square. As we know a perfect square can only end in a 0, 1, 4, 5, 6, or 9; this should allow us to determine whether the first of our numbers is a perfect square.
SECOND METHOD
STEP 1: Separate The Digits Into Pairs. To begin, let's organize the workspace. ...
STEP 2: Find The Largest Integer. ...
STEP 3: Now Subtract That Integer. ...
STEP 4: Let's Move To The Next Pair. ...
STEP 5: Find The Right Match. ...
STEP 6: Subtract Again.
Here are your answers hope they will help you
Answer:
289 and 144 are perfect square.
Step-by-step explanation:
128 = It is not a perfect square because the last number of 128 is 8.
8 in the list of numbers that are never perfect squares (2, 3, 7 or 8)
289 = It is a perfect square because the last number of 289 is 9.
9 is not in the list of numbers that are never perfect squares. (2, 3, 7 or 8)
77 = It is not a perfect square because the last number of 77 is 7.
7 is in the list of numbers that are never perfect squares (2, 3, 7 or 8)
144 = It is a perfect square because the number of 144 is 4.
4 is not in the list of numbers that are never perfect squares. (2, 3, 7 or 8)
153 = It is not a perfect square because the last number of 153 is 3.
3 is in the list of numbers that are never perfect squares. (2, 3, 7 or 8)
I hope this answer will help you