eric beans
Junior Member
- Joined
- Sep 17, 2019
- Messages
- 72
Asked to put these in order a =√5 ; b = 2.5 ; c = log10 400 from smallest to largest.
How would you tackle this without a calculator?
My thinking was I don't know what the decimal number for √5 is so I thought well it's between √4 and √9 so I thought it's probably around 2.1 or so (pretty small compared to 2.5. But when I got to log10 400, I was not certain where to go. I know it's between log10 100 and log10 1000 but not sure if it's bigger or smaller than 2.5 since it's pretty close to the middle. Any thoughts?
How would you tackle this without a calculator?
My thinking was I don't know what the decimal number for √5 is so I thought well it's between √4 and √9 so I thought it's probably around 2.1 or so (pretty small compared to 2.5. But when I got to log10 400, I was not certain where to go. I know it's between log10 100 and log10 1000 but not sure if it's bigger or smaller than 2.5 since it's pretty close to the middle. Any thoughts?