Question

Help me friend...???

Answer 1

• 1.1 × 10³ - 4.9 × 10²

• 1.1 × 10³ - (10/10) × 4.9 × 10²

• 1.1 × 10³ - 0.49 × 10³

• (1.1  - 0.49) × 10³

• 0.61 × 10³

• (10/10) × 0.61 × 10³

• 0.61 × 10²