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Writing Numbers in Scientific Notation — Easy Worksheet 2
Grade 8 · MathSheets Name: ____________________ Date: __________
Write each number in scientific notation.
How to solve
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Example
Write 900,000 in scientific notation.
Answer: 9 × 105
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 1.2. It moved 5 places left, so the power of 10 is 5. So 120,000 = 1.2 × 105.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 1.2. It moved 5 places left, so the power of 10 is 5. So 120,000 = 1.2 × 105.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 6,400,000 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 9.3. It moved 7 places left, so the power of 10 is 7. So 93,000,000 = 9.3 × 107.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 9.3. It moved 7 places left, so the power of 10 is 7. So 93,000,000 = 9.3 × 107.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 74,000,000 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 3.4. It moved 6 places left, so the power of 10 is 6. So 3,400,000 = 3.4 × 106.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 3.4. It moved 6 places left, so the power of 10 is 6. So 3,400,000 = 3.4 × 106.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 61,000 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 7.61. It moved 5 places left, so the power of 10 is 5. So 761,000 = 7.61 × 105.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 7.61. It moved 5 places left, so the power of 10 is 5. So 761,000 = 7.61 × 105.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 955,000 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 6.24. It moved 4 places left, so the power of 10 is 4. So 62,400 = 6.24 × 104.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 6.24. It moved 4 places left, so the power of 10 is 4. So 62,400 = 6.24 × 104.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 4700 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 2.53. It moved 7 places left, so the power of 10 is 7. So 25,300,000 = 2.53 × 107.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 2.53. It moved 7 places left, so the power of 10 is 7. So 25,300,000 = 2.53 × 107.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 35,000 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 1.5. It moved 3 places left, so the power of 10 is 3. So 1500 = 1.5 × 103.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 1.5. It moved 3 places left, so the power of 10 is 3. So 1500 = 1.5 × 103.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 65,800 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 2.5. It moved 3 places left, so the power of 10 is 3. So 2500 = 2.5 × 103.
✓ Correct!
Not quite. The answer is
💡 Move the decimal point left until only one nonzero digit is in front of it: 2.5. It moved 3 places left, so the power of 10 is 3. So 2500 = 2.5 × 103.
💡 How to solve: Writing Numbers in Scientific Notation
Move the decimal point so exactly one nonzero digit is in front of it, then count the moves. That count is the power of 10: positive for a big number, negative for a number less than 1. 45,000 = 4.5 × 104 (4 moves left), 0.00052 = 5.2 × 10-4 (4 moves right).
Try a similar one
Write 9,950,000 in scientific notation.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
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Writing Numbers in Scientific Notation — Easy Worksheet 2
Write each number in scientific notation.