Answer:
4
Step-by-step explanation:
Well, 2.3•10^3 is the same as 2.3•1000. So move the decimal place three times to the right and you get a final answer of 2300.
Answer: 3560
Step-by-step explanation: GCF of 400 will be 40 and the LCM will be 3600 so if you are doing LCM-GCF it would be 3560