How many integers greater than 4 million and less than 9 million are perfect squares?

1 answer:

5 0

Trial and error
find the smallest and largest squares

oh, nevermind an easier way

square root them

4 million=4,000,000
square root=2000
9million=9,000,000
square root=3000

how many numbers betwee 2000 and 3000?
3000-2000=1000
minus 1 because of math
999 numbers fit the criteria

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