SPM Physics Practice Questions - Sijil Pelajaran Malaysia (SPM) Physics Fizik (4531) Exam

The diameter of a ball bearing is 0.000 045 m. Expressed in standard form (scientific notation), what is this value?

4.5 x 10^-4 m 4.5 x 10^-5 m 45 x 10^-6 m 4.5 x 10^-6 m

Correct Answer:

4.5 x 10^-5 m

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