Question: what is the least number . which should be added to 0.0320 to make it a perfect square ?
A) 0.0005
B) 0.0004
C) 0.0006
D) 0.0002
E) 0.0001
Correct answer: b
Grade: 8 | Topic: Number System | Difficulty: Medium | Standard: 8.NS.A.2