Text Book Questions 4,9 and 15

4. Estimate the square root of each number, to one decimal place. Check your answer with calculator.

A) 72

8.5 x 8.5= 72,25 close enough to 72.

B) 103

10.1 x 10.1= 102.01

C) 55

7.4 x 7.4= 54.76

9)What are all possible whole number that have square root between 4 and 5.

4x4= 16

5x5= 25

17, 18, 19, 20, 21, 22, 23, 24

15. Order the following number from least to greatest 7, square root 46, 5.8, square root 27, 6.3

Square root 46, 5.8x 5.8= 33.64, square root 27, 6.3 x 6.3= 39.69, 7