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Aliun [14]
3 years ago
7

Evaluate the exponential expression (−2)6.

Chemistry
1 answer:
Olegator [25]3 years ago
6 0

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

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If I have 21 liters of gas held at a pressure of 78 atm and a temperature of 900 K, what will
shusha [124]

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30.33L

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Using Boyle's law which states that the volume of a given mass of gas is inversely proportional to the pressure, provided temperature remains constant  and Charles law states that the volume of a given mass of gas is directly proportional to the temperature provided the pressure remains constant

P1V1/T1 = P2V2/ T2

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P2 = 45atm, V2 = ? , T2 =750K

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1638×750 = 900×45V2

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I hope this was helpful, please mark as brainliest

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A sample of marble has a volume of 6 cm and a density of 2.76 g/cm3. What is its mass?
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Answer:

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