8th Grade Laws of Exponents Worksheet — Level 3 — 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 3 — Answers
Use the laws of exponents. Write answers with positive exponents.
Answer: x24
Multiply the exponents: 4 × 6 = 24
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer: x40
Multiply the exponents: 5 × 8 = 40
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer:
A negative index means the reciprocal: 1 ÷ 102 = 1 ÷ 100
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer: 10x14
2 × 5 = 10; add the exponents: 14
Answer: 20x8
4 × 5 = 20; add the exponents: 8
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer: x25
Multiply the exponents: 5 × 5 = 25
Answer: 9x16
3 × 3 = 9; add the exponents: 16
Answer:
A negative index means the reciprocal: 1 ÷ 53 = 1 ÷ 125
Answer: 18x11
6 × 3 = 18; add the exponents: 11
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.
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