Convert the following units. Make sure that your answer has the proper number of significant figures.
a. 4.8 g/cm3 to kg/m3
b. 941 µm to km. Use scientific notation for your answer. (µ is the prefix "micro" and 1 µm = 1 x 10−6 m)
c. The speed of light is 2.9989 x 108 m/s. Convert to miles/hour. Use scientific notation in your answer.
d. 782 kg to µg. Use scientific notion for your answer.
Convert the following units. Make sure that your answer has the proper number of significant figures....
show work please
2. Convert the following units. Make sure that your answer has the proper number of significant figures a. 4.8 g/cma to kg/m b. 941 μm to km. Use scientific notation for your answer. (μ is the prefix "micro" and 1 μm 1 x 10-6 m) c. The speed of light is 2.9989 x 108 m/s. Convert to miles/hour. Use scientific notation in your answer. d. 782 kg to ug. Use scientific notion for your answer.
Draw a correctly labeled motion diagram for each of the following scenarios. Make sure you include both velocity and acceleration vectors. a. A car travels along a straight, flat road at a steady speed. b. A truck slows down and comes to a stop as it approaches a red traffic light. c. A train accelerates as it leaves the train station and then keeps moving at a constant speed. d. A bungee jumper jumps from a high bridge. Initially the...
Convert the following to scientific notation, showing the proper number of significant figures. All values are measured. 500.00
4. Convert the following to basic SI units. Work across the line and show all steps in the conversion. Use scientific notation and apply the proper use of significant figures a. 9.12 us b. 3.42 km c. 60 mph- d. 24 cm3-
Carry out the following conversions. Report your answer to the correct number of significant figures. (a) 102 m/s to ft/min × 10 ft/min (Enter your answer in scientific notation.) (b) 74.6 cm3 to in3 in3 (c) 47.4 g/mL to lb/in3 lb/in3
Help with these practice problems please
Dec 4. (20 pts) Convert the following,using proper sig figs. a. 473900 mg to kg b. 5.443 cm/sec to m/hrs 4. (S pts) In Canada the speed limit on a highway is 100. Km/hour per. what would that be in miles per hour? (1mile-1.609 5. (5 pts) Why is the concept of scientific notation important? 6. (8 pts) How many significant figures are in each number a. 342000 b. 0.0450 c. 21876. 8 planets...
Perform the following calculation. Make sure to pay attention to significant figures. Your answer should be in scientific notation. (161*0.88/7625) * (0.04795/32.70)
1. Perform the following and express the answer in scientific notation with proper significant figures. 1. 10.6 cm_______________ =____________ m 2. 450,000 ug_______________ =____________ g 3. 12 mL_______________ =____________ cL 4. 50 Mton_______________ =____________ ton 5. 4,600 nm_______________ =____________ um 6. 0.058 kg_______________ =____________ dg 7. 2460 uL_______________ =____________ dL 8. 0.015 s_______________ =____________ ms 9. 0.66 um_______________ =____________ mm 10. 0.062 g_______________ =____________ cg 11. 12,500 cL_______________ =____________ L 12. 61,500 nm_______________ =____________ cm 13. 0.0520 kg_______________ =____________ dag...
Be sure to answer all parts. Report your answer with the proper number of significant figures. Magnesium is used in lightweight alloys for airplane bodies and other structures. The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation, and electrolysis. How many kilograms of magnesium can be obtained from 7.00 km3 of seawater if the initial Mg2+concentration is 0.15% by mass? (d of seawater = 1.04 g/mL) I got 1.06 x 10^14 not right
3. Calculate the pH of the following (make sure to use proper significant figures): a. 5.0 x 104 M HC b. 2.00 uM HBr c. 7.00 x 10-5 M KOH d. 6 nM HC