Question

II. Fill in the blanks. 1. There are perfect squares between1 to 50. 2. 682 will have in its unit place. 3. The sum of 7 odd natural numbers is 4. The square of 0.4 is - 5. The square root of 729 is​

Answer 1

Answer:

1)  There are 7 perfect squares between 1 and 50.

2) 4 is the unit.

3) 49

4)0.6324

5)27

Step-by-step explanation:

1)The squares are 1, 4, 9, 16, 25, 36, and 49.

2) To find, 68×68=4,624 · So, 4 is the unit.

3) 49 is the sum of the first 7 odd natural numbers.

4)Therefore, the square root of 0.4 is 0.6324.

5)729 is a perfect square number which is obtained by square of 27.

HOPE IT WAS HELPFUL.