a. N
b. N-s
c. N-s2
d. N/s
For this case, the first thing we must do is define the scientific notation.
We have then:
Scientific notation is a way of writing numbers too big or small in a conventional way.
A number written in scientific notation has the following form:
Where,
m: it is called matinsa
e: it is the order of magnitude
Therefore, for the given number we have that the scientific notation is:
Answer:
the power of 10 when 0.000028 is written in scientific notation is:
-5
90-95 Percent, (I took the test and got an 100).
By the way, on the Penn Foster test, C. 1,254.4 meters is incorrect.
B. a wire connected in a complete loop
C. a source of electrical energy
Answer: The correct answer is an electrical insulator.
Explanation:
Insulator : It is a material which resists the flow of electrons. It has high resistance in comparison to the conductor.
Conductor: It is a material which allows the flow of electrons. It has low resistance in comparison to the conductor.
Battery is a source of electrical energy. It forces the electrons to flow. The rate of flow of electrons constitutes the current.
In the given problem, an electrical insulator is not needed for a charge to flow through a conducting wire.
To design the circuit and to make a current flow in the circuit, a battery, a wire connected in a complete loop and a source of electrical energy are needed.
Therefore, the correct option is (C).