Year 7 Index Laws Worksheet — Level 1 (Set 2) — Answers
Answer sheet with worked solutions for the Year 7 indices & scientific notation worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Indices & Scientific NotationYear 7 Index Laws Worksheet — Level 1 (Set 2) — Answers
Use the index laws. Write answers with positive indices.
1.Simplify: x10 ÷ x7
Answer: x3
Subtract the indices: 10 − 7 = 3
2.Simplify: x8 × x7
Answer: x15
Add the indices: 8 + 7 = 15
3.Simplify: x4 × x7
Answer: x11
Add the indices: 4 + 7 = 11
4.Simplify: x7 ÷ x3
Answer: x4
Subtract the indices: 7 − 3 = 4
5.Simplify: x6 ÷ x4
Answer: x2
Subtract the indices: 6 − 4 = 2
6.Simplify: x6 × x2
Answer: x8
Add the indices: 6 + 2 = 8
7.Simplify: x4 × x8
Answer: x12
Add the indices: 4 + 8 = 12
8.Simplify: x7 ÷ x4
Answer: x3
Subtract the indices: 7 − 4 = 3
9.Simplify: x13 ÷ x9
Answer: x4
Subtract the indices: 13 − 9 = 4
10.Simplify: x2 × x6
Answer: x8
Add the indices: 2 + 6 = 8
11.Simplify: x4 × x9
Answer: x13
Add the indices: 4 + 9 = 13
12.Simplify: x6 × x4
Answer: x10
Add the indices: 6 + 4 = 10
13.Simplify: x6 × x7
Answer: x13
Add the indices: 6 + 7 = 13
14.Simplify: x5 × x6
Answer: x11
Add the indices: 5 + 6 = 11
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