Practice Maths

Index Notation — Solutions

  1. Write in Index Notation

    1. 4 × 4 × 4: 43 ▶ View Solution
    2. 7 × 7: 72 ▶ View Solution
    3. 2 × 2 × 2 × 2 × 2 × 2: 26 ▶ View Solution
    4. 10 × 10 × 10: 103 ▶ View Solution
    5. 5 × 5 × 5 × 5: 54 ▶ View Solution
    6. 6 × 6: 62 ▶ View Solution
    7. 3 × 3 × 3 × 3: 34 ▶ View Solution
    8. 9 × 9 × 9: 93 ▶ View Solution
  2. Evaluate Powers

    1. 23: 8 ▶ View Solution
    2. 32: 9 ▶ View Solution
    3. 43: 64 ▶ View Solution
    4. 52: 25 ▶ View Solution
    5. 103: 1 000 ▶ View Solution
    6. 25: 32 ▶ View Solution
    7. 62: 36 ▶ View Solution
    8. 33: 27 ▶ View Solution
    9. 72: 49 ▶ View Solution
    10. 26: 64 ▶ View Solution
    11. 42: 16 ▶ View Solution
    12. 105: 100 000 ▶ View Solution
  3. Write as Repeated Multiplication

    1. 54: 5 × 5 × 5 × 5 ▶ View Solution
    2. 35: 3 × 3 × 3 × 3 × 3 ▶ View Solution
    3. 27: 2 × 2 × 2 × 2 × 2 × 2 × 2 ▶ View Solution
    4. 63: 6 × 6 × 6 ▶ View Solution
    5. 104: 10 × 10 × 10 × 10 ▶ View Solution
    6. 45: 4 × 4 × 4 × 4 × 4 ▶ View Solution
    7. 82: 8 × 8 ▶ View Solution
    8. 93: 9 × 9 × 9 ▶ View Solution
  4. Compare and Order Powers

    1. 23 vs 32: 32 is larger ▶ View Solution
    2. 25 vs 52: 25 is larger ▶ View Solution
    3. 24 = 42?: True — both equal 16 ▶ View Solution
    4. 34 = 43?: False — 34 = 81, 43 = 64 ▶ View Solution
    5. Order 24, 42, 33, 25: 24 = 42 < 33 < 25 ▶ View Solution
  5. Patterns with Powers

    1. 24, 25, 26 and pattern: 16, 32, 64 — each term doubles ▶ View Solution
    2. 210: 1 024 ▶ View Solution
    3. 103, 104, 105: 1 000; 10 000; 100 000 ▶ View Solution
    4. Pattern in 10n: n zeros after the 1 ▶ View Solution
  6. Problem Solving with Powers

    1. Bacteria doubling 6 times (26): 64 bacteria ▶ View Solution
    2. 210 kilobytes: 1 024 kilobytes ▶ View Solution
    3. Area of 7 cm square: 49 cm² ▶ View Solution
    4. Volume of 4 cm cube: 64 cm³ ▶ View Solution
    5. 28 vs 82: 28 is greater by 192 ▶ View Solution
  7. Zero and One as Exponents

    1. 60: 1 ▶ View Solution
    2. 100: 1 ▶ View Solution
    3. 990: 1 ▶ View Solution
    4. 51: 5 ▶ View Solution
    5. 131: 13 ▶ View Solution
    6. 40 + 31: 4 ▶ View Solution
    7. 71 × 20: 7 ▶ View Solution
    8. 50 + 51 + 52: 31 ▶ View Solution
  8. Mixed Index Expressions

    1. 23 + 32: 17 ▶ View Solution
    2. 42 − 23: 8 ▶ View Solution
    3. 24 × 3: 48 ▶ View Solution
    4. 52 + 42: 41 ▶ View Solution
    5. 33 − 42: 11 ▶ View Solution
    6. 2 × 33: 54 ▶ View Solution
    7. (2 + 3)2: 25 ▶ View Solution
    8. 22 + 23 + 24: 28 ▶ View Solution
  9. Index Notation — Composite Expressions

    1. Area of 9 cm square: 81 cm² ▶ View Solution
    2. Volume of 5 cm cube: 125 cm³ ▶ View Solution
    3. 34 rows in display: 81 rows ▶ View Solution
    4. 1 000 000 as a power of 10: 106 ▶ View Solution
    5. Smallest n where 2n > 100: n = 7 ▶ View Solution
  10. Index Notation in Science and Technology

    1. 28 files: 256 files ▶ View Solution
    2. Phone tree round 4 (34): 81 people ▶ View Solution
    3. 5 × 34 bacteria: 405 bacteria ▶ View Solution
    4. 1.5 × 108 km in standard form: 150 000 000 km ▶ View Solution