Calculations

The exact density of water is 0.9998395 g/mL. A single experiment concludes that the density of water is 1 g/mL. Which of the following statements is correct?

• The conclusion is accurate but NOT precise

• The conclusion is precise but NOT accurate

• The conclusion is accurate AND precise

• The conclusion is NEITHER precise nor accurate

Tags

NGSS.HS-ESS2-5

The precise volume shown in the image is...

• 6.60

• 7.60

• 6.6

• 7.6

The precise volume shown in the image is...

• 2.7

• 2.6

• 2.65

• 2.75

The precise volume shown in the image is...

• 24

• 20.4

• 24.0

• 20.40

Type the correct answer with the appropriate rounding and significant figures for the following calculation: 18.19*7.50

• 136.426

• 136.4

• 136.42

• 136

Type the correct answer with the appropriate rounding and significant figures for the following calculation: 19.18*5.70

• 109.326

• 109.3

• 109.32

• 109

Type the correct answer with the appropriate rounding and significant figures for the following calculation: 18.91*7.05

• 133.3155

• 133.32

• 133.316

• 133

Type the correct answer with the appropriate rounding and significant figures: 158.18 + 7.5 - 21.009

• 144.671

• 144.67

• 140

• 144.7

Type the correct answer with the appropriate rounding and significant figures: 218.19 + 7.9 - 15.005

• 211.085

• 210

• 211.09

• 211.1

Calculate the density of a 1.50 mL liquid that weighs 1.0 grams.

• 0.75 g/mL

• 1.5 g/mL

• 0.8 g/mL

• 1.50 g/mL