Significance of Zeroes
Determining Significant Figures
Rounding to Significant Figures
What is Mass, Volume and Density
Calculations
100

Zeros at the end of a number without a decimal are significant or not significant?

What is not significant?

100

How many significant figures are in the number 100.3?

What is 4 significant figures?

100

The answer should have the same number of significant figures as the number with the smallest amount of significant figures. What rule is this?

What is multiplying and dividing/least digits rule?

100

What is volume?

What is the amount of space an object occupies?

100

When you know the volume is 22.5 mL and the mass is 306.0 g, what is the density?

What is 13.6 g/mL?

200

Zeros between other nonzero digits are significant or not significant?

What is significant?

200
How many significant figures are in the number 14.600?

What is 5 significant figures?

200

The answer should have the same number of digits to the right of the decimal as the number with the smallest amount of digits to the right of the decimal. What rule is this?

What is adding and subtracting/least past rule?

200

What is mass?

What is the amount of matter in an object?

200

When you know the volume is 200 mL and the density is 0.789 g/mL, what is the mass?

What is 157.8 grams?

300

Zeros in front of nonzero digits are significant or not significant?

What is not significant?

300

How many significant figures are in the number 1.008?

What is 4 significant figures?

300
What would 45.76 X 0.25 be rounded to?

What is 11?

300

What is density?

What is the amount of mass per unit of volume of a substance?

300

When you know the dimensions of a block is 8.4 cm by 5.5 cm by 4.6 cm and the mass is 1896 grams, what is the density?

What is 8.92 g/cm3?

400

Zeros at the end of a number and to the right of the decimal are significant or not significant?

What is significant?

400

How many significant figures are in the number 320001?

What is 6 significant figures?

400

What would 246.24 + 238.278 + 98.3 be rounded to?

What is 582.8?

400

What is the formula for finding density?

What is Density (D) = Mass (M) / Volume (V)?

400

When you know the volume is 250 mL and the density is 0.8765 g/mL, what is the mass?

What is 219.125 grams?

500

PRACTICE: How many significant figures are in the number 0.00340?

What is 3 significant figures?

500
How many significant figures are in the number 1.0000?

What is 5 significant figures?

500

What would 28.367 / 3.74 be rounded to?

What is 7.58?

500

What is the formula for finding mass?

What is Mass (M) = Volume (V) X Density (D)?

500

When you know the mass is 40.5 grams and the volume is 15 mL, what is the density?

What is 2.7 g/mL?