maths cambridge university grade 10 Australian curriculum chapter#2., Exercises of Family and Consumer Science

Download maths cambridge university grade 10 Australian curriculum chapter#2. and more Exercises Family and Consumer Science in PDF only on Docsity! Cambridge maths (Australian curriculum) Cambridge University press Grade :10 chapter #2 Indices and Surds Q. Convert the following recurring decimals to fractions. a) 0.2 sol: 0.2= 0.22222…… Explanation: let x= .22222…… (1) this equation has only one digit that repeats,now multiply it by 10 ,we have therefore, 10 x= 2.2222…… (2) subtracting equation( 2) by equation (1),we Get 10x-x =2.2222……-0.2222….. 9x = 2 dividing both sides by 9 ,we get X= 2 ÷9 Or X= 2/9 which is required answer. EXERCISE 2A Q.1 Choose the correct word from the words given in italic to make the sentence true. a) A number that cannot be expressed as a fraction is a rational/irrational number.