Write in scientific notation. 0.0042 (1 point) Responses
42× 10^-2
4.2 × 10^-4
4.2 × 10^-3
.42 × 10^-4
1 answer
4.2 × 10^-3
42× 10^-2
4.2 × 10^-4
4.2 × 10^-3
.42 × 10^-4
1 answer
43 answers
1 answer
1 answer
2 answers