9th Grade Laws of Exponents Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 9th Grade exponents & scientific notation worksheet.
9th Grade Laws of Exponents Worksheet — Level 1 — Practice Set 4 — Answers
Use the laws of exponents. Write answers with positive exponents.
1.Simplify: x8 × x3
Answer: x11
Add the exponents: 8 + 3 = 11
2.Simplify: x12 ÷ x2
Answer: x10
Subtract the exponents: 12 − 2 = 10
3.Simplify: x8 ÷ x3
Answer: x5
Subtract the exponents: 8 − 3 = 5
4.Simplify: x4 × x3
Answer: x7
Add the exponents: 4 + 3 = 7
5.Simplify: x5 × x4
Answer: x9
Add the exponents: 5 + 4 = 9
6.Simplify: x2 × x2
Answer: x4
Add the exponents: 2 + 2 = 4
7.Simplify: x3 × x3
Answer: x6
Add the exponents: 3 + 3 = 6
8.Simplify: x11 ÷ x7
Answer: x4
Subtract the exponents: 11 − 7 = 4
9.Simplify: x3 × x4
Answer: x7
Add the exponents: 3 + 4 = 7
10.Simplify: x6 × x2
Answer: x8
Add the exponents: 6 + 2 = 8
11.Simplify: x7 × x7
Answer: x14
Add the exponents: 7 + 7 = 14
12.Simplify: x9 ÷ x8
Answer: x1
Subtract the exponents: 9 − 8 = 1
13.Simplify: x13 ÷ x5
Answer: x8
Subtract the exponents: 13 − 5 = 8
14.Simplify: x9 ÷ x6
Answer: x3
Subtract the exponents: 9 − 6 = 3
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.