Unit Conversion Relations
Puzzle 1
1 mm = _____ m
Hint: 1 mm is one-thousandth of a metre; use 10⁻³.
Answer: 1 mm = 1 × 10⁻³ m.
Puzzle 2
1 cm = ______ m
Hint: 1 cm is one-hundredth of a metre; use 10⁻².
Answer: 1 cm = 1 × 10⁻² m.
Puzzle 3
1 µ = ________ m
Hint: 1 µ (micron) equals 10⁻⁶ m.
Answer: 1 µ = 1 × 10⁻⁶ m.
Puzzle 4
1 nm = _____ m
Hint: 1 nm is one-billionth of a metre; use 10⁻⁹.
Answer: 1 nm = 1 × 10⁻⁹ m.
Puzzle 5
1 Ã… = _____ m
Hint: 1 Ã… (angstrom) equals 10⁻¹⁰ m.
Answer: 1 Ã… = 1 × 10⁻¹⁰ m.
Puzzle 6
1 light year = _____ m
Hint: 1 light year ≈ 9.461 × 10¹⁵ m.
Answer: 1 light year = 9.461 × 10¹⁵ m.
Puzzle 7
1 light minute = _____ m
Hint: 1 light minute = 60 light seconds, and 1 light second = 3 × 10⁸ m.
Answer: 1 light minute = 1.8 × 10¹⁰ m.
Puzzle 8
1 light second = ______ m
Hint: 1 light second = 3 × 10⁸ m.
Answer: 1 light second = 3 × 10⁸ m.
