Certain – cierto
(Pronounced see-ehr-toh)
To remember that certain is pronounced see-ehr-toh (cierto) in Latin American Spanish, use the following mnemonic:
My mum was certain she could see an aeroplane towing (cierto) a happy birthday banner.
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-1.4df6ee6.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-2.d516bb3.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-1.b0b0513.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-2.f89189d.jpg)
To remember that certain is pronounced see-ehr-toh (cierto) in Latin American Spanish, use the following mnemonic:
My mum was certain she could see an aeroplane towing (cierto) a happy birthday banner.