Author Question: What is 2.1 10-5 written in decimal notation? A) 2,100,000 B) 210,000 C) 210 D) 0.00021 E) ... (Read 21 times)

londonang · **on:** Aug 27, 2018

What is 2.1 10-5 written in decimal notation?

A) 2,100,000
B) 210,000
C) 210
D) 0.00021
E) 0.000021

Question 2

Which of the following is true if Esys = -95 J?

A) The system is gaining 95 J, while the surroundings are losing 95 J.
B) The system is losing 95 J, while the surroundings are gaining 95 J.
C) Both the system and the surroundings are gaining 95 J.
D) Both the system and the surroundings are losing 95 J.
E) None of the above are true.