Question

the value of
2 power -1 is what?​

Answer 1

Answer:

The value of 2⁻¹ is 0.5

Exponents:

• An exponent is a small number placed to the upper right of a base number.
• The words exponent, index, power, and order all refer to the same thing.
• The exponent shows how many copies of the base number are multiplied together.
• For example, 3². Here, 3 is the base number and 2 is the exponent. So, 3 will be multiplied 2 times.

Step-by-step explanation:

We have to find the value of 2⁻¹.

We know that negative powers indicate fractions. So, 2⁻¹ can be written as follows:

2⁻¹ = $\frac{1}{2^1}$

2⁻¹ = $\frac{1}{2}$

2⁻¹ = 0.5

Therefore, the value of 2⁻¹ is 0.5

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Answer 2

Answer:

The value of 2⁻¹ is 0.5.

Step-by-step explanation:

As per the data given in the question we have to find the value of $2^{-1}$

An exponent is a small number placed to the upper right of a base number.The words exponent, index, power, and order all refer to the same thing.The exponent shows how many copies of the base number are multiplied together.

For example,$7^{3}$.

Here, 7 is the base number and 3 is the exponent. So, 7 will be multiplied 3 times.

We have to find the value of 2⁻¹.

A positive exponent tells us how many times to multiply a base number, and a negative exponent tells us how many times to divide a base number. We can rewrite negative exponents like x⁻ⁿ as 1 / xⁿ.

We know that negative powers indicate fractions. So, 2⁻¹ can be written as follows:

2⁻¹ =$\frac{1}{2^1}$=1/2  

⇒2⁻¹ = 0.5

Therefore, the value of 2⁻¹ is 0.5.

Hence, the value is 0.5

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