Answer:

Step-by-step explanation:
Given

Required
Express as scientific notation
The rule of scientific notation is that:
It is represented in form of:
where 
will be represented as: a = 2.403; notice that the point was shifted forward by 3 units.
So:
n = -3
The equation becomes:


Approximate

Answer:
m=7/4
Step-by-step explanation:
Answer:
the thrird option
Step-by-step explanation: