Unit 1 Worksheet 5 Square and Square Roots class- 8 DAV Secondary Mathematics Solutions
Q5. Estimate the value of the following to the nearest one decimal place.(i) 90 (ii) 150 (iii) 600 (iv) 1000Sol. (i) The perfect square near 90 are 81 and 100.∴ 81 < 90 < 100 ⇒ 92 < 90 < 102 So we can estimate the value between 9 and 10. Let us try with … Read more