10th Grade Laws of Exponents Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 10th Grade exponents & scientific notation worksheet.
Success TutoringWorksheetsAnswer sheet10th Grade · Mathematics · Indices & Scientific Notation10th Grade Laws of Exponents Worksheet — Level 3 — Practice Set 2 — Answers
Use the laws of exponents. Write answers with positive exponents.
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: x14
Multiply the exponents: 7 × 2 = 14
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: x18
Multiply the exponents: 9 × 2 = 18
Answer: 20x6
4 × 5 = 20; add the exponents: 6
Answer:
A negative index means the reciprocal: 1 ÷ 52 = 1 ÷ 25
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer: x21
Multiply the exponents: 7 × 3 = 21
Answer:
A negative index means the reciprocal: 1 ÷ 51 = 1 ÷ 5
Answer: 12x16
3 × 4 = 12; add the exponents: 16
Answer:
A negative index means the reciprocal: 1 ÷ 33 = 1 ÷ 27
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.