Take action to success
P-1 I, Emem, Currently pursuing a degree in Bachelor of Science, Information Technology - System Security. I am badly waiting for the day of the graduation ceremony.
Technology
P-2 I understands that college graduates need more than solid academic skills to succeed. That’s why it targets whole student development, offering opportunities for continuous learning through academic, social and civic activities.
New Technology
P-3 Beginning fall 2012, test scores will be required for all freshman applicants. Students must meet testing requirements before an admissions decision can be made.
Science and Technology Museum
P-4 Science and Technology Museum.
system security
P-5 Information Technology, system security
Showing posts with label CHEM1211K. Show all posts
Showing posts with label CHEM1211K. Show all posts
Measurement and Significant Figures Practice
1. How many
significant figures are in the measurement 102.400 meters?
A. five B.
three C. six D. four
2. Convert
the following measurement to scientific notation: 101 000 grams
A. 1.01 x 105 g B. 1.0100 x 10-5 g C.
1.01000 x 105 g D.
10.1 x 104 g
3. Solve:
3.12 g + 0.8 g + 1.033 g = ?
A. 4.953 g B.
5.0 g C. 4.9 g D. 5 g
4. The
volume of liquid being measured in the graduated cylinder is:
A. 8.000 cm3 B. 8.0 cm3 C. 8.00 cm3 D. 8.50 cm3
5. Solve:
923 g divided by 20 312 cm3 = ?
A. 0.045 g/cm3 B. 0.04 g/cm3 C. 4.00 x 10-2 g/cm3 D. 0.0454 g/cm3
6. How many
significant figures are in the measurement 0.00130 cm?
A. four B. five C. three D. two
7. Subtract:
7.987 m - 0.54 m
A. 7.5 m B.
7.45 m C. 7.4 m D. 7.447 m
8. The arrow
denotes the measured point:
A. 2.530 cm B. 2.8 cm C. 2.80 cm D. 2.53 cm
9. The length of the red line measured here is:
A. 5.65 cm B. 5.5 cm C.
5.712 cm D. 5.7 cm
10. Solve:
345.009 g - 23.009 g = ?
A. 322 B. 322.00 g C.
322 g D. 322.000 g
11. The mass
of a watch glass was measured four times. The masses were 99.997 g, 100.008 g,
100.011 g, and 100.005 g. What is the average mass of the watch glass?
A. 100.0 g B. 100.01 g C.
100.00525 g D. 100.005 g
12. Round the
following measurement to three significant figures: 0.90985 cm2
A. 0.910 cm2 B.
0.909 cm2 C. 0.9099 cm2 D. 0.91 cm2
13. Complete
the following problem: A piece of stone has a mass of 24.595 grams and a volume
of 5.34 cm3. What is the density of the stone? (remember that density = m/v)
A. 4.606 g/cm3 B. 4.61 g/cm3 C.
0.22 cm3/g D. 0.217 cm3/g
14. Solve:
13.004 m + 3.09 m + 112.947 m = ?
A. 129 m B. 129.0 m C. 129.04 m D. 129.041 m
15. Solve: 123
000 m x 3 234 m = ?
A. 398 m2 B. 3.97 x 10-7 m2
C. 3.98 x 108 m2 D. 39800000 m2
16. When performing
the calculation 34.530 g + 12.1 g + 1 222.34 g, the final answer must have:
A. Three significant figures B.
Units of g3 C. Only one decimal place D. Three decimal places
17. When
measuring the length of this red line with the metric ruler provided, the first
decimal place that is uncertain is:
A. thousandths of centimeter B.
tenths of a centimeter
C. hundredths of a centimeter D. meters
18. Solve:
1.23 m x 0.89 m = ?
A. 1.1 m2 B.
1.0947 m2 C. 1.0 m2 D. 1.09 m2
19. The length
of this miniature piezo electric motor is:
A. 8.0 cm B. 7.98 mm C.
7.99 m D. 8.0 mm
20. How many
significant figures are in the measurement 1.3000 meters?
A. five B.
four C. three D. two
Subscribe to:
Posts (Atom)
