AI generatedNumberKey Stage 3

Interpreting standard form on a calculator

Interpreting standard form on a calculator.

  • is standard form when for positive numbers.
  • Multiply or divide: combine the leading numbers and use index laws. Add or subtract: make the powers match first.
  • Check the leading number at the end and adjust the power if needed.

Example 1

Convert to an ordinary number.

A positive power moves the decimal right; a negative power moves it left.

Example 2

Convert to an ordinary number.

A positive power moves the decimal right; a negative power moves it left.

Your turn

Question 1

Convert to an ordinary number.

Check answer
A positive power moves the decimal right; a negative power moves it left.
Question 2

Convert to an ordinary number.

Check answer
A positive power moves the decimal right; a negative power moves it left.
Question 3

Convert to an ordinary number.

Check answer
A positive power moves the decimal right; a negative power moves it left.
Question 4

Convert to an ordinary number.

Check answer
A positive power moves the decimal right; a negative power moves it left.
Question 5

Convert to an ordinary number.

Check answer
A positive power moves the decimal right; a negative power moves it left.
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