7
QuizMultiple Choice

Experimental Design Principles

Question 7 • FL-2003010-M/J Physical Science

Why is scientific notation used?

Answer
A
to round numbers to the nearest whole number
B
to promote reproducibility of data
C
to increase the validity of data
D
to express very large or very small numbers

Explanation

Scientific notation writes a number as a value multiplied by a power of 10, making numbers with many zeros easier to express and compare. It is especially useful for very large or very small quantities, such as distances in space or the size of atoms. It does not, by itself, round numbers or make data more valid or reproducible.

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