I couldnt complete this module " Set Up the Exchange Rate" . It showing the errors even after i tried to change the currency rate. Can anyone help me to fix this?

Hi, see the below answers that worked in the past 

https://trailhead.salesforce.com/trailblazer-community/feed/0D54S00000A8wVqSAJ

https://trailhead.salesforce.com/trailblazer-community/feed/0D54S00000A8wDUSAZ