Write in scientific notation. 0.0042 (1 point) Responses 42 × 10–2 42 × 10 –2 4.2 × 10–4 4.2 × 10 –4 4.2 × 10–3 4.2 × 10 –3 .42 × 10–4

Answer 1

4.2 × 10–3