Year 10 Scientific Notation Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 10 indices & scientific notation worksheet.
Success TutoringWorksheetsAnswer sheetYear 10 · Mathematics · Indices & Scientific NotationYear 10 Scientific Notation Worksheet — Level 2 — Practice Set 4 — Answers
Scientific notation is a × 10ⁿ where 1 ≤ a < 10.
1.Write 2 × 102 as an ordinary number.
Answer: 200
2.Write 9.7 × 10−5 as an ordinary number.
Answer: 0.000097
3.Write 1.2 × 10−3 as an ordinary number.
Answer: 0.0012
4.Write 1,200 in scientific notation.
Answer: 1.2 × 103
Move the decimal point 3 places.
5.Write 9.9 × 100 as an ordinary number.
Answer: 10
6.Write 8.6 × 106 as an ordinary number.
Answer: 8,600,000
7.Write 5,200 in scientific notation.
Answer: 5.2 × 103
Move the decimal point 3 places.
8.Write 7.3 × 107 as an ordinary number.
Answer: 73,000,000
9.Write 88,000 in scientific notation.
Answer: 8.8 × 104
Move the decimal point 4 places.
10.Write 700,000,000 in scientific notation.
Answer: 7 × 108
Move the decimal point 8 places.
11.Write 5 × 104 as an ordinary number.
Answer: 50,000
12.Write 4.9 × 100 as an ordinary number.
Answer: 5
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