Math · Exponents
Scientific Notation
Write very large and very small numbers in scientific notation, convert back, and multiply and divide.
- 🎓 Grade 8
- 🧮 Math
- 📐 8.EE.A.4
- ❓ 21 questions
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Write 0.0062 in scientific notation.
- A 6.2 × 10⁻⁴
- B 6.2 × 10⁻²
- C 6.2 × 10⁻³
- D 6.2 × 10³
Small numbers have negative exponents.
(2.5 × 10⁴) + (1.5 × 10⁴) = ?
- A 4 × 10⁴
- B 4 × 10¹⁶
- C 3.75 × 10⁴
- D 4 × 10⁸
Which number is written correctly in scientific notation?
- A 0.71 × 10⁶
- B 10 × 10³
- C 71 × 10⁴
- D 7.1 × 10⁵
The first factor must be at least 1 and less than 10.
(9 × 10⁵) ÷ (3 × 10⁷) = ?
- A 6 × 10⁻²
- B 3 × 10¹²
- C 3 × 10⁻²
- D 3 × 10²
Write 90,000,000 in scientific notation.
- A 9 × 10⁸
- B 9 × 10⁷
- C 9 × 10⁶
- D 90 × 10⁶
Move the decimal 7 places: 9 × 10⁷
(3 × 10⁴) × (2 × 10³) = ?
- A 5 × 10⁷
- B 6 × 10⁷
- C 6 × 10¹
- D 6 × 10¹²
About how many times larger is 6 × 10⁹ than 2 × 10⁶?
- A 4,000,000
- B 300
- C 3,000
- D 3
(6 ÷ 2) × 10³ = 3,000
Write 5.04 × 10³ in standard form.
- A 50,400
- B 504
- C 5,004
- D 5,040
Move the decimal 3 places right.
Which is greater: 3 × 10⁸ or 9 × 10⁷?
- A 9 × 10⁷
- B 3 × 10⁸
- C They are equal
3 × 10⁸ = 300,000,000 and 9 × 10⁷ = 90,000,000.
(4 × 10⁶) × (5 × 10²) = ?
- A 9 × 10⁸
- B 20 × 10¹²
- C 2 × 10⁹
- D 2 × 10⁸
Write 3,200,000 in scientific notation.
- A 3.2 × 10⁷
- B 3.2 × 10⁶
- C 3.2 × 10⁵
- D 32 × 10⁵
Move the decimal 6 places: 3.2 × 10⁶
Write 0.000301 in scientific notation.
- A 3.01 × 10⁻⁴
- B 3.01 × 10⁻⁵
- C 3.01 × 10⁴
- D 3.01 × 10⁻³
Small numbers have negative exponents.
(8 × 10⁹) ÷ (2 × 10³) = ?
- A 4 × 10⁶
- B 4 × 10³
- C 6 × 10⁶
- D 4 × 10¹²
Write 6,050 in scientific notation.
- A 6.05 × 10³
- B 60.5 × 10²
- C 6.05 × 10²
- D 6.05 × 10⁴
Move the decimal 3 places: 6.05 × 10³
Write 0.00045 in scientific notation.
- A 4.5 × 10⁻⁴
- B 4.5 × 10⁻⁵
- C 4.5 × 10⁴
- D 4.5 × 10⁻³
Small numbers have negative exponents.
Write 45,000 in scientific notation.
- A 4.5 × 10⁴
- B 4.5 × 10⁵
- C 45 × 10³
- D 4.5 × 10³
Move the decimal 4 places: 4.5 × 10⁴
Write 2.7 × 10⁵ in standard form.
- A 270,000
- B 0.000027
- C 2,700,000
- D 27,000
Move the decimal 5 places right.
Write 0.08 in scientific notation.
- A 8 × 10²
- B 8 × 10⁻³
- C 8 × 10⁻¹
- D 8 × 10⁻²
Small numbers have negative exponents.
Write 1.6 × 10⁻⁵ in standard form.
- A 0.0000016
- B 0.00016
- C 160,000
- D 0.000016
Move the decimal 5 places left.
Write 708 in scientific notation.
- A 7.08 × 10²
- B 7.08 × 10¹
- C 7.08 × 10³
- D 70.8 × 10¹
Move the decimal 2 places: 7.08 × 10²
Write 8 × 10⁻³ in standard form.
- A 8,000
- B 0.08
- C 0.0008
- D 0.008
Move the decimal 3 places left.
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