How to find the greatest 4 digit number and its square root?
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by searching on google......
Issan:
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Since the number has 4 digits, its square root will always have two digits.
Consider the greatest two-digit number 99.
On squaring 99, we get:
99 × 99 = 9801
Thus, greatest 4-digit number which is a perfect square is 9801.
Consider the greatest two-digit number 99.
On squaring 99, we get:
99 × 99 = 9801
Thus, greatest 4-digit number which is a perfect square is 9801.
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