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# Why is 2 to the first power 1?

Updated: 4/28/2022

Wiki User

15y ago

Any number to the 1st power is the same number, unchanged. Two to the 1st power is 2.

Wiki User

15y ago

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Q: Why is 2 to the first power 1?
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### What is one half to the negative first power?

When something is to the negative first power, you find the inverse of it - which means you flip the fraction. (1/2)^-1=2/1 2

### 2 to the negative first power?

A negative power/index/exponent simply inverts the expression and the power now becomes a positive number. 2-1 = 1/21 = 1/2 = 0.5 Note : This also applies if the term is the denominator. For example : 1/3-2 = 32 = 9.

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### How do you work out 2 to the power of minus 2?

For anything to the power of a negative, put the number as the denominator in 1/? and then solve (ex: 2 to the power of neg. 2 = 1/2 to the power of 2 = 1/4)

### Is -2 to the power of -3 the same as -2 x -2 x -2?

sorry if this is worded weirdly, im 11 so... -2 to the power of 3 is -2 x -2 x -2 anything to the 0th power is 1 then it becomes a fraction so like 2 to the -2 power is 1/2 to the 2nd power so 2 to the -3rd is 1/2 to the 3rd so 1/8 * * * * * A negative power is a reciprocal of the positive power. So (-2)-3 = 1/((-2)3 = 1/[(-2)*(-2)*(-2)] =1/(-8) = -1/8

### What must you turn a negative exponent problem into?

A negative exponent is 1 over the base to the power of the absolute value of the exponent. For example 2 to the power of -1 is 1/2, 2 to the power of -2 is 1/4, or (1/2) squared, and 2 to the power of -3 is 1/8, or (1/2) cubed.

### How are 2 to the 1 power and 2 to the -1 power related?

They are mutual reciprocals.

### The numerical value of 2 to the power of 1?

2 to the power of 1 (21) equals 2.

### How much is 2 to the power -2?

2 to the power of -2 is equal to 1/4.x to the power of -y is equal to 1/xy.

### What is a single power in maths?

A number to the power 1 is that number. For instance 2 to the power 1 (written here as 2^1) is 2. 2^0=1 2^1=2 2^2=4 2^3=8 2^4=16

### What is 3 to the power of 1 multiplied by 3 to the power of minus 2?

3 to the power of 1 is 3. 3 to the power of minus 2 is equal to 1 over 3 to the power of 2. 3 to the power of 2 is 9. 3 to the power of 1 times 3 to the power of minus 2 is the same as... 3 divided by 3 to the power of 2. So that gives us 3 divided by 9 which is the same as 1/3.

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