Question 2
IndicesEvaluate (20 + 4-½)2
- A.1/4
- B.5/4
- C.9/4
- D.4
- E.9
Show the answer and explanation
Answer: C (9/4)
Explanation
2⁰ = 1 and 4^(−½) = 1/√4 = ½, so the value is (1½)² = 9/4.
Evaluate (20 + 4-½)2
Answer: C (9/4)
2⁰ = 1 and 4^(−½) = 1/√4 = ½, so the value is (1½)² = 9/4.