Use place value to write 23 in its expanded form.
Pls help

2.3×10^1

Step-by-step explanation:

To write 23 in expanded form,

We get

2.3×10^1

  The ratios are both identical ( 3 over 5 and 3 over 5 )

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that ...

  Sin = Opposite/Hypotenuse

  sin(x°) = 3/5

and

  Cos = Adjacent/Hypotenuse

  cos(y°) = 3/5

__

  sin(x°) = cos(y°) = 3/5