Why does acceleration change here....?

[Sara077]

Homework Statement

Hi everyone, this is probably simple but i don't understand why the acceleration in the question is 0.20 m/s² but in the answer an acceleration of 0.020 m/s² is used? Can someone please explain why it changes? Thank you!

Homework Equations

The Attempt at a Solution

 

[robphy]

It's likely a typo.

 

[Sara077]

For sure? I was thinking that lol but there are 3 parts to the question and they all use 0.020.

 

[Chestermiller]

For sure? I was thinking that lol but there are 3 parts to the question and they all use 0.020.

Then the typo must have been in the problem statement.