Skip to main content
Ch.1 - Chemical Tools: Experimentation & Measurement
McMurry - Chemistry 8th Edition
McMurry8th EditionChemistryISBN: 9781292336145Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoMcMurry 8th EditionCh.1 - Chemical Tools: Experimentation & MeasurementProblema 88a
Capitolo 1, Problema 88a

The Vehicle Assembly Building at the John F. Kennedy Space Center in Cape Canaveral, Florida, is the largest building in the world, with a volume of 3,666,500 m3 (a) Round off this quantity to four significant figures and then to two significant figures.

Guida verificata passo dopo passo
1
insert step 1> Identify the number of significant figures in the given volume, which is 3,666,500 m^3.
insert step 2> To round off to four significant figures, start from the left and count four digits: 3,666,500.
insert step 3> Look at the digit immediately after the fourth significant figure to decide whether to round up or down.
insert step 4> To round off to two significant figures, start from the left and count two digits: 3,666,500.
insert step 5> Again, look at the digit immediately after the second significant figure to decide whether to round up or down.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
2m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Significant Figures

Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion. Understanding significant figures is crucial for accurately reporting measurements and calculations in scientific contexts.
Video consigliato:
Percorso guidato
01:09
Significant Figures Example

Rounding Rules

Rounding rules dictate how to adjust numbers to a specified level of precision. When rounding, if the digit to the right of the last significant figure is less than 5, the last significant figure remains unchanged. If it is 5 or greater, the last significant figure is increased by one. These rules ensure that numbers are expressed in a manageable form while retaining their significance.
Video consigliato:
Percorso guidato
00:28
Solubility Rules

Volume Measurement

Volume is a measure of the three-dimensional space occupied by an object, typically expressed in cubic units such as cubic meters (m³). In the context of the question, understanding how to manipulate and express large volume measurements accurately is essential for scientific calculations, especially when rounding to significant figures.
Video consigliato:
Percorso guidato
02:52
Units of Radiation Measurement
Pratica correlata
Domanda del libro di testo

How many significant figures are in each of the following measurements? (d) 510 J

544
views
Domanda del libro di testo

The diameter of the Earth at the equator is 7926.381 mi. (b) Express the answers in scientific notation.

664
views
Domanda del libro di testo

How many significant figures are in each of the following measurements? (f) 10 students

377
views
Domanda del libro di testo

The Vehicle Assembly Building at the John F. Kennedy Space Center in Cape Canaveral, Florida, is the largest building in the world, with a volume of 3,666,500 m3 (b) Express the answers in scientific notation.

510
views
Domanda del libro di testo

The diameter of the Earth at the equator is 7926.381 mi. (a) Round off this quantity to four significant figures and then to two significant figures.

740
views
Domanda del libro di testo

How many significant figures are in each of the following measurements? (e) 5.10⨉102 J

487
views