Question

How do you evaluate the rational exponent of 121 1/2?

Answer 1

wait...did you mean 121^1/2 ?

Answer 2

yes

Answer 3

that would be 11.

Answer 4

You have to think to yourself, "What two numbers can I multiply to get to 121?" the 1/2 power means find two numbers that multiply to get 121

Answer 5

Find a number that, if you multiply it by itself, you get 121

Answer 6

11 x 11 = 121

Answer 7

\[\sqrt{121}=11\]

Answer 8

121 1/2

Answer 9

Would that be considered a "real number"?

Answer 10

Yes, 11 is a real number.

Answer 11

what do we do with the half when showing our work?

Answer 12

Using the calculator it comes up with 11.02270384

Answer 13

\[x^{1/2}=\sqrt{x}\]

Answer 14

Some calculator has error.

Answer 15

Google calc says the same answer

Answer 16

Can you tell me the website of Google calc?

Answer 17

Did you enter it into the calculator correctly?

Answer 18

\[\sqrt{121.5}=11.02270384\]

Answer 19

\[\sqrt{121}=11\]

Answer 20

I typed in 121 pressed the a b/c button then 1 followed by a b/c then 2 then pressed the square root button.
This resulted in the above number.

Answer 21

I think you should type 121, then press square root button, and get 11.

Answer 22

121 1/2 is written as a fraction and not as an exponent. Would that make a diffence?

Answer 23

oh, if you mean (121 1/2)^(1/2), the answer is 11.02

Answer 24

\[121\frac{1}{2}\]?

Answer 25

you want rewrite in fraction?