Quiz 1
Which of the following is smallest: 1 millimeter 1 meter 1 centimeter 1 kilometer 1 decimeter
1 millimeter
56.55 x 0.920 / 34.2585 =
1.51863... 152 (3 sig figures)
Round off the following measurement to three significant digits: 307.45 cm
307 cm
5.74 + 0.823 + 2.651 =
9.214... 9.21
What is 2.1 x 10^-5 written in decimal notation?
0.000021
How many grams are there in 5.211 cg?
0.05211 g
1.01 x 0.12 x 53.51 / 96 =
0.067556.... 0.068 (2 sig figures)
if a 250mL beaker weighs 95.4g what is the mass in Kilograms ?
0.0954kg
4.8 - 3.965 =
0.835.. 0.8
5.892 / 6.10 =
0.96590.. 0.966
What is the numerical value of (1.50/(1.222 x 10^3))? Express your answer using the correct number of significant figures.
1.23 x 10^-3
Express 12340 in scientific notation
1.234 x 10^4
Express 0.00012340 in scientific notation
1.2340 x 10^-4
What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?
1.70 g/mL
in scientific notation, the number 185,000,000 is:a. 1.85 x 10^6b. 1.85 x 10^-8c. 185 x 10^6d. 185 x 10^-8e. 1.85 x 10^8
1.85 x 10^8
What is the answer, with the correct number of significant figures, for this problem?4.392 g + 102.40 g + 2.51 g =
109.30 g
The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g =
13 g
Determine the answer for the equation below with the correct number of significant figures: 3.215 x 13.2 divided by 0.218 =
195
Determine the answer to the following equation with correct number of significant figures: 106 ÷ 9.02 × 1.9 =
22
if a glass marble weighs 3156mg, what is the mass in centigrams?
315.6 cg
In scientific notation, the number 0.0046 is expressed as
4.6 x 10^-3
A calculator answer of 423.6059 must be rounded off to three significant figures. What is the answer?
424
5.02 x 89,665 x 0.10 =
45.0118... 45
The number of significant figures in the measurement of 45.030 mm is
5
Express the exponential number 5.15x10^5 as an ordinary number.
515,000