Answer:
7.2*10^3.
7,200 in scientific notation, is 7.2*10^3
Answer:
Third option is correct
Step-by-step explanation:
Given: 
To choose: the correct option
Solution:


Multiply both sides by - 1

For
, it includes all numbers less than 
The graph is as follows:
Answer:
um
Step-by-step explanation: