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811/2 = sq rt 81 = 9

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Q: What number is raised to the .5 power to equal 9?
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Related questions

What number when raised to the third power is equal to 125?

5.


What does 10 to the negative 1 equal?

10-1 = 1/10 A number raised to a negative power is equal to the reciprocal of the number raised to the power. So a-b = (1/a)b = 1/ab


What is 5 to the power of negative 1?

When a number is raised to a negative exponent, it means the reciprocal of that number raised to the positive exponent. Therefore, 5 to the power of -1 is equal to 1/5, or 0.2. This is because any number raised to the power of -1 is the multiplicative inverse of that number, which is the reciprocal.


What is the number 5 raised to the third power?

5 raised to the 3rd power is 125.


What is power of a number?

A number raised to the power "a" is multiplied by itself "a" times. For example, 5 raised to the power 3 is 5x5x5=125. 2 raised to the power 5 is 2x2x2x2x2=32.


What is nine to the second power equal?

81 A number raised to the second power is the number multipled by itself twice (9*9). A number raised to the third power, is the number multipled by itself 3 times (9*9*9) and so on.


What if raised to the power of one?

Any number raised to the power 1 is that same number, x1 = x. For example, 51 = 5.


What number when raised to the third power equals 125?

The number 5.


What is negative 3 to the power of five?

Negative 3 raised to the power of 5 is equal to -243.


What number raised to the fifth power equals 3125?

5


Is 5 raised to the second power a rational number?

Yes.


What is 5 to the 6th power times 5 to the -2 power?

As the number being raised to the powers is the same, the powers can be added together and the answer is the number raised to this power: 56 x 5-2 = 56 + -2 = 54 = 625