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Year 11 Scientific Notation Worksheet — Level 1 — Practice Set 3 — Answers

Answer sheet with worked solutions for the Year 11 indices & scientific notation worksheet.

Success TutoringWorksheetsAnswer sheetYear 11 · Mathematics · Indices & Scientific Notation

Year 11 Scientific Notation Worksheet — Level 1 — Practice Set 3 — Answers

Scientific notation is a × 10ⁿ where 1 ≤ a < 10.

1.Write 7.6 × 105 as an ordinary number.

Answer: 760,000

2.Write 53,000 in scientific notation.

Answer: 5.3 × 104

Move the decimal point 4 places.

3.Write 6.3 × 105 as an ordinary number.

Answer: 630,000

4.Write 5.7 × 105 as an ordinary number.

Answer: 570,000

5.Write 7.2 × 104 as an ordinary number.

Answer: 72,000

6.Write 380 in scientific notation.

Answer: 3.8 × 102

Move the decimal point 2 places.

7.Write 2.3 × 104 as an ordinary number.

Answer: 23,000

8.Write 7 × 104 as an ordinary number.

Answer: 70,000

9.Write 8,500,000 in scientific notation.

Answer: 8.5 × 106

Move the decimal point 6 places.

10.Write 350,000 in scientific notation.

Answer: 3.5 × 105

Move the decimal point 5 places.

11.Write 8 × 105 as an ordinary number.

Answer: 800,000

12.Write 7,400 in scientific notation.

Answer: 7.4 × 103

Move the decimal point 3 places.

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