Question

find the square root of the following by repeated subtraction 1) 64 2) 121 3) 81 4) 49​

Answer 1

Answer:

1) 8

2) 11

3) 9

4) 7

Step-by-step explanation:

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Answer 2

Answer;

1. 64 - 1 = 63
2. 63-3 = 60
3. 69-5 = 55
4. 55-7 = 48
5. 48-9 = 39
6. 39-11 = 28
7. 28-13 = 15
8. 15-15 = 0

√64 =8,√121 = 11,√81 = 9,√49 = 7