9th Grade Laws of Exponents Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 9th Grade exponents & scientific notation worksheet.
9th Grade Laws of Exponents Worksheet — Level 2 — Practice Set 4 — Answers
Use the laws of exponents. Write answers with positive exponents.
Answer: 4x12
2 × 2 = 4; add the exponents: 12
Answer: 15x8
5 × 3 = 15; add the exponents: 8
Answer: 9x4
3 × 3 = 9; add the exponents: 4
Answer: x56
Multiply the exponents: 7 × 8 = 56
Answer: x9
Subtract the exponents: 12 − 3 = 9
Answer: x12
Add the exponents: 9 + 3 = 12
Answer: 6x5
2 × 3 = 6; add the exponents: 5
Answer: x5
Subtract the exponents: 7 − 2 = 5
Answer: x16
Add the exponents: 8 + 8 = 16
Answer: x9
Add the exponents: 5 + 4 = 9
Answer: 10x9
5 × 2 = 10; add the exponents: 9
Answer: 15x4
5 × 3 = 15; add the exponents: 4
Answer: x3
Subtract the exponents: 10 − 7 = 3
Answer: x4
Subtract the exponents: 10 − 6 = 4
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.