Write 0.27 as a fraction or mixed number in simplest form

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

Those with high self-esteem are highly critical of their strengths and weaknesses. true or false

Calculate the iq of a 20 year old who has the mental age of 25