What is the approximate value of √0.4?
Correct answer B. 0.632
Explanation
√0.4 = √(40/100) = √40 ÷ 10 ≈ 6.325 ÷ 10 ≈ 0.632. Note that 0.2 is wrong because 0.2² = 0.04, not 0.4.
Answer checked How we write and check questions
Tip: press A, B, C or D to answer, and N for the next question.
Advertisement
More Square Root and Cube Root questions
See allWhat is the square root of 7056?
Correct answer B. 84
What is the value of √(2 7/9)?
Correct answer C. 1 2/3
Advertisement
What is the cube root of 9261?
Correct answer A. 21
A cubical water tank holds exactly 4.913 m³ when full. What is the length of each edge of the tank?
Correct answer C. 1.7 m
Discussion