Question 4
IndicesWithout using table, solve the equation
8x−2 = 2/25
- A.4
- B.6
- C.8
- D.10
Show the answer and explanation
Answer: D (10)
Explanation
x−2 = 2/25 ÷ 8 = 1/100, so x² = 100 and x = 10.
Without using table, solve the equation
8x−2 = 2/25
Answer: D (10)
x−2 = 2/25 ÷ 8 = 1/100, so x² = 100 and x = 10.