The number \( 4 \times 10^{-5} \) in scientific notation represents a very small number. When written in standard decimal form, it becomes:

\[
4 \times 10^{-5} = 0.00004
\]

This is because multiplying by \( 10^{-5} \) means moving the decimal point 5 places to the left.

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Here are 5 related questions to expand on this concept:

1. How do you convert \( 3.6 \times 10^4 \) into standard form?
2. What is \( 1.23 \times 10^6 \) expressed in standard form?
3. How would you write \( 0.000321 \) in scientific notation?
4. How can scientific notation help in handling very large or small numbers

Learn how to convert the scientific notation 4 × 10^-5 into its decimal form: 0.00004. This guide explains key concepts of scientific notation and decimal conversion, suitable for students in Grades 6-8.

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