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Which statement about significant figures is correct?

publish date: 2026/05/21 19:52:47.419013 UTC

volume_mute

All zeros are always significant

Measurements should include all certain digits and one estimated digit

Calculated answers should always contain ten digits

Leading zeros are always significant

Measurements should include all certain digits and one estimated digit

A proper measurement contains all certain digits plus one estimated digit.

Beginning Chemistry v. 1.0