Which numbers are exact (and therefore have an unlimited number of significant figures)?

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Introduction
Section: Chapter Questions
Problem 61AP: (a) How many seconds are there in a year? (b) If one micrometeorite (a sphere with a diameter on the...
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Which one is correct ?
Part A
Which numbers are exact (and therefore have an unlimited number of significant figures)?
Check all that apply.
1 square mile = 640 acres
An EPA gas mileage rating of 26 miles per gallon
12 inches 1 foot
T = 3.14
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Exact numbers originate from three sources: from accurate counting of discrete objects, from defined quantities, a
equation. Determine whether there are measured quantities among the given numbers.
Pearson
Transcribed Image Text:Part A Which numbers are exact (and therefore have an unlimited number of significant figures)? Check all that apply. 1 square mile = 640 acres An EPA gas mileage rating of 26 miles per gallon 12 inches 1 foot T = 3.14 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Exact numbers originate from three sources: from accurate counting of discrete objects, from defined quantities, a equation. Determine whether there are measured quantities among the given numbers. Pearson
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