Another issue with 10^2

[Ghost of the Shadows]

Hi...

When I enter 10^2 in my calculator, it says 1000.

But the question is what is 100, the answer says 10^2...

I need to write 10^1 to get 100, but it's not the answer in the book.

what the hell?

 

[MrAl]

Hi,


What name brand and model is the calculator?

 

[Ghost of the Shadows]

I edited, it says 1000, sorry. But still it's not 100! :|

The calculator is a SHARP EL-531W
It's set up to RAD, is it good ? I tried with Degrees and Grades

I even tried with the Windows calculator.

I'm missing something ? 10^2 = 10 x 10 x 10 ?

10^1 = 10x10 ?

 

[dknguyen]

You're not entering 10e2 are you? Because that would be 10*10^2 which would be 1000.

1e2 = 1*10^2 = 10^2 = 100
10e2 = 10*10^2 = 10^3 = 1000

It's important to remember that the "e" exponential key stands for "10^" and therefore already includes the base 10 in it and you don't need to add it explicity. If you use the x^y key, that's different since you now get to define the base and you would have to explicity define the 10.

 

[Ghost of the Shadows]

The question in the book is "Write 100 as an exponent of ten" (Straight french to english translation hehe)

And the answer is "10²"

Are they mistaken?

1³=1000
1²=100

They wrote 10².

You're not entering 10e2 are you? Because that would be 10*10^2 which would be 1000.

1e2 = 1*10^2 = 10^2 = 100
10e2 = 10*10^2 = 10^3 = 1000

Is there a differance between 10^2 and 10e2 (10²) ??

The book is french and ^ doesn't exists tabeurnac ;(

edit:

On the calculator, is used the key Exp, but there's the key X² and x³

When I enter 10 and press x², it gives me 100, yes.

Found a key xy (x exponent y), too.

And I've seen that whenI press the Exp, it write my dial times 10e (or ^)

Lol you may laugh at me for not knowing the differance of ^ and e and ², haven't done maths in years but I must and at all cost know it in the futur.

 

[dknguyen]

[e] is just the shortcut key for [x^y] when you want x = 10.
[²] is another shortcut key for [x^y] when you want y=2

[3] [x^y] [5] = 3^5
[3][e][5] = 3*10^5

so yes, there is a difference between 10^2 and 10e2.
You see, 10^2 = 10² but 10e2 = 10^3. You can basically replace the e with *10^. It inherently includes a 10, and when you type out another 10 in front of it, you multiply it by another 10.

The bolded parts are the same thing:
10e2 = 10×10² = 1000

 

[Ghost of the Shadows]

Thank you very much sir!!!!