Tony measures a drum stick and gets a length of 31 centimeters kate converts tony's measurements and gets 3.1 is her answer reasonable tell how you know

Kate has changed the unit of measurement from centimeters to decimeters.

Step-by-step explanation:

Tony measures a drum stick and the length is measured to be 31 centimeters.

Now, Kate converts Tony's measurements and gets 3.1.

Now, we know that 10 centimeters are equivalent to 1 decimeter.

Hence, 1 centimeter will be equivalent to 0.1 decimeters.

And, 31 centimeters will be equivalent to 31 * 0.1 = 3.1 decimeters.

So, Kate has changed the unit of measurement from centimeters to decimeters. (Answer)