8th Grade Laws of Exponents Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 8th Grade exponents & scientific notation worksheet.
Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Indices & Scientific Notation8th Grade Laws of Exponents Worksheet — Level 2 — Practice Set 2 — Answers
Use the laws of exponents. Write answers with positive exponents.
Answer: x7
Add the exponents: 5 + 2 = 7
Answer: x6
Subtract the exponents: 10 − 4 = 6
Answer: x3
Subtract the exponents: 12 − 9 = 3
Answer: 10x16
5 × 2 = 10; add the exponents: 16
Answer: x24
Multiply the exponents: 4 × 6 = 24
Answer: x36
Multiply the exponents: 6 × 6 = 36
Answer: 8x10
2 × 4 = 8; add the exponents: 10
Answer: x17
Add the exponents: 8 + 9 = 17
Answer: x11
Add the exponents: 6 + 5 = 11
Answer: x16
Multiply the exponents: 2 × 8 = 16
Answer: x12
Add the exponents: 4 + 8 = 12
Answer: x11
Add the exponents: 3 + 8 = 11
Answer: x1
Subtract the exponents: 8 − 7 = 1
Answer: 18x9
6 × 3 = 18; add the exponents: 9
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.
Great work. Here's what to try next: