Question

What would be the value of

3 × 0.3 × 0.03 × 0.003 × 30 = ?

1. 0.0000243
2. 0.000243
3. 0.00243
4. 0.0243

Answer 1

Correct Answer - Option 3 : 0.00243

Given:

3 × 0.3 × 0.03 × 0.003 × 30

Calculation:

3 × 0.3 × 0.03 × 0.003 × 30

⇒ 3 × (3/10) × (3/100) × (3/1000) × 30

⇒ 243/100000

⇒ 0.00243

∴ The value of 3 × 0.3 × 0.03 × 0.003 × 30 is 0.00243.