A general exponential expression is something like:
A^n
This means that we need to multiply the number A by itself n times.
Using that we will get (-2)^6 = 64
With that definition, we can rewrite:
(-2)^6 = (-2)*(-2)*(-2)*(-2)*(-2)*(-2)
So we just need to solve the above expression.
Also, remember the rule of signs:
(-)*(-) = (+)
We will get:
(-2)*(-2)*(-2)*(-2)*(-2)*(-2) = [(-2)*(-2)]*[(-2)*(-2)]*[(-2)*(-2)]
= 4*4*4 = 16*4 = 64
Then we got:
(-2)^6 = 64
If you want to learn more, you can read:
brainly.com/question/17172630
You have many different ways possible. If you have a freezer in the classroom you could do that. If you made it really cold in the room and stopped all air flow in the room so it stayed cold you would be able to freeze it.
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The metals are conductors and insulators are plastics which energy cant flow threw.
So in a torch any metal helps the energy circulate and keep its flow.
Hope this helps :)
The chemical energy, which is a type of kinetic energy explains the type of energy present in the wheels of a moving bus.
Explanation:
Kinetic Energy is the energy possessed by an object by virtue of its motion.
Kinetic Energy is present in every moving object. A moving bus, train,flying airplane, walking , running etc are some examples of Kinetic Energy.
Kinetic Energy is classified into two parts Rotational Kinetic Energy and vibrational Kinetic energy.
Kinetic energy depends on two things , the mass and the velocity of the object.
In the above example , in a moving bus,the wheels of the bus are also moving. So with motion, Kinetic energy gets formed.
The energy of one photon of this light is <span>4.85×<span>10<span>−19</span></span><span>J
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