8th Grade Laws of Exponents Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 8th Grade exponents & scientific notation worksheet.
8th Grade Laws of Exponents Worksheet — Level 1 — Practice Set 3 — Answers
Use the laws of exponents. Write answers with positive exponents.
Answer: x5
Subtract the exponents: 9 − 4 = 5
Answer: x11
Add the exponents: 8 + 3 = 11
Answer: x7
Add the exponents: 4 + 3 = 7
Answer: x13
Add the exponents: 6 + 7 = 13
Answer: x6
Subtract the exponents: 11 − 5 = 6
Answer: x2
Subtract the exponents: 10 − 8 = 2
Answer: x8
Add the exponents: 2 + 6 = 8
Answer: x1
Subtract the exponents: 10 − 9 = 1
Answer: x9
Add the exponents: 7 + 2 = 9
Answer: x15
Add the exponents: 6 + 9 = 15
Answer: x4
Subtract the exponents: 12 − 8 = 4
Answer: x3
Subtract the exponents: 8 − 5 = 3
Answer: x3
Subtract the exponents: 10 − 7 = 3
Answer: x7
Subtract the exponents: 10 − 3 = 7
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
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