1. √7 (7 √20 − 7 √75) =   35 √35 − 14 √21   14 √5 − 35 √3   35 √5 − 14 √3   5 √14 − 3 √35   14 √35 − 35 √21   Hint Half-n-half Clue   2. Which is the largest of the following numbers?   21 3√1000   63   23 × 52   √(216)   (√225)2   Half-n-half Clue   3. Which is the smallest of the following numbers?   21 √20   7 √180   11 √80   8 √125   15 √45   Half-n-half Clue   4. 3√81 =   3 √3   2 3√9   3   3 3√9   3 3√3   Half-n-half Clue   5. √147 =   73   21   49   49 √3   7 √3   Half-n-half Clue   6. √112 − √63 + √28 =   3 √7   7 √3   9 √3   9 √7   √77   Half-n-half Clue   7. (2 √162) / (3 √96) =   ½ √2   ½ √3   ¾ √2   ¼ √3   ¼ √2   Half-n-half Clue