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Scientific notation

Write very large and very small numbers in the form a × 10^n and calculate with them.

In review 2nd Year3rd Year HigherOrdinary
Helps to know first: Decimals, Indices and roots
16practice questions

Multiple choice: 6 · Numeric answer: 8 · Put in order: 1 · Short answer: 1

Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.

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Numeric answer
Write 7.4 × 10^3 as an ordinary number.
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Multiplying by 10^3 moves the digits 3 places to the left.

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