Year 8 Index Laws Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 8 indices & scientific notation worksheet.
Year 8 · Mathematics · Indices & Scientific Notation
Year 8 Index Laws Worksheet — Level 2 — Answers
Use the index laws. Write answers with positive indices.
Answer: 20x14
4 × 5 = 20; add the indices: 14
Answer: x6
Subtract the indices: 10 − 4 = 6
Answer: x10
Add the indices: 4 + 6 = 10
Answer: 6x17
2 × 3 = 6; add the indices: 17
Answer: x3
Subtract the indices: 7 − 4 = 3
Answer: 25x14
5 × 5 = 25; add the indices: 14
Answer: 4x14
2 × 2 = 4; add the indices: 14
Answer: x10
Add the indices: 6 + 4 = 10
Answer: x12
Add the indices: 7 + 5 = 12
Answer: x8
Add the indices: 2 + 6 = 8
Answer: 6x10
2 × 3 = 6; add the indices: 10
Answer: x4
Subtract the indices: 6 − 2 = 4
Answer: 12x12
3 × 4 = 12; add the indices: 12
Answer: x2
Subtract the indices: 6 − 4 = 2
Marking tips
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