1. Which of the following is equal to the square of 0.7?
A. 0.49
B. 0.049
C. 4.9
D. 0.14

2. What is the principal root of /81 ?
A. 7
B. 8
C. 9
D. 6

3. Which of the following is equal to square root of 4/25 ?
A. 4/25 raise to the 2nd power
B. 2/5
C. 2/25
D. 4/5

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