10th Grade Laws of Exponents Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the 10th Grade exponents & scientific notation worksheet.
10th Grade Laws of Exponents Worksheet — Level 3 — Answers
Use the laws of exponents. Write answers with positive exponents.
Answer: 25x11
5 × 5 = 25; add the exponents: 11
Answer: x16
Multiply the exponents: 4 × 4 = 16
Answer:
A negative index means the reciprocal: 1 ÷ 33 = 1 ÷ 27
Answer: 18x8
6 × 3 = 18; add the exponents: 8
Answer: x24
Multiply the exponents: 6 × 4 = 24
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: x18
Multiply the exponents: 6 × 3 = 18
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: x27
Multiply the exponents: 3 × 9 = 27
Answer: 1
Anything (except 0) to the power of 0 equals 1.
Answer: x20
Multiply the exponents: 5 × 4 = 20
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.