- A0.75
- B22/7
- C√16
- D√7
Step-by-Step Solution
√7 is not a perfect-square root, so it is irrational. 0.75 = 3/4, 22/7 is a fraction (only an approximation of π) and √16 = 4 — all rational.
Answer: D) √7
Which one of these numbers is irrational?
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