Numerical Ability - Simplification & Approximation
Simplify: (3² × 4³) ÷ √81
Simplify: (3² × 4³) ÷ √81
medium Q7 of 15
Step-by-Step Solution
Step 1: Evaluate numerator powers
3² = 9 and 4³ = 64.Step 2: Multiply numerator values
9 × 64 = 576.Step 3: Divide by denominator root
√81 = 9 → 576 ÷ 9 = 64.Final Answer:
64 → Option C.Quick Check:
576/9=64 ✅
Quick Trick: Simplify numerator fully before dividing by the root.
Common Mistakes:
- Forgetting to evaluate the square root in the denominator.
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