Answer:
Explanation:
#12
The square root of a number is a whole number between 50 and 100.
Let the number be n, given:
Square both sides:
- 50² < n < 100²
- 2500 < n < 10000
The number is a perfect square between 2500 and 10000.
#13
Let the number is n:
Square both sides:
- n > n²
- n² - n < 0
- n(n - 1) < 0
Solution is:
The answer is yes, the number must be between 0 and 1.