How Many Significant Figures Are in 4

question 77

Multiple Choice

How many significant figures are in 4.500 × 10⁴ m?

• A) 3
• B) 4
• C) 5
• D) 7
• E) 8

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Definitions:

White Blood Cells

Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Foreign Particles

Tiny, extraneous substances not naturally part of a system, often causing harm or disruption.

Active Site

Pocket in an enzyme where substrates react and are converted to products.

Substrate

Molecule that an enzyme acts upon and converts to a product; reactant in an enzyme-catalyzed reaction.