C is the answer. Hope this helps!
Answer:
Scientific Notation:
4.2 × 10^-3
E-Notation:
4.2e-3
Engineering Notation:
4.2 × 10^-3
Real Number:
0.0042
______________________________
6120
Step-by-step explanation:
Answer:
I’m not really sure
Step-by-step explanation:
Look at someone else’s answer