Significant Figures: The number of significant figures in 0.040 is

A. one.
B. two.
C. three.
D. four.


Answer: B

Physics & Space Science

You might also like to view...

The inductance of a tuning circuit of an AM radio is 4.00 mH. Find the capacitance of the circuit required for reception at 1200 kHz.

A. 2.10 pF B. 4.40 pF C. 21.2 pF D. 43.4 pF E. 27.6 pF

Physics & Space Science

Which kind of robotic space mission enables us to determine the chemical composition of a planet's surface and atmosphere remotely?

A) sample return B) lander/probe C) orbiter D) flyby

Physics & Space Science

Evidence that things are made of atoms comes from

A) the way that laser beams pass through air. B) the fact that objects accelerate as they fall. C) Brownian motion. D) the fact that we can cut solid objects into smaller and smaller pieces. E) superconductivity.

Physics & Space Science

Two nuclei which share the same mass number A always are (Hint: Eliminate any wrong answers.)

a. stable. b. unstable. c. isotopes. d. isobars. e. radioactive.

Physics & Space Science