Examlex
Convert the mixed number to a fraction.
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Coltan
A mineral comprising columbite and tantalite, used primarily in the production of tantalum capacitors for electronic devices such as mobile phones.
Eastern Congolese Mines
Mining operations in the eastern region of the Democratic Republic of Congo, often noted for their extraction of minerals like coltan and the associated human and environmental issues.
Mobile Phones
Handheld devices that allow for voice and often data communication over cellular networks.
Cultural Anthropology
The study of customary patterns in human behavior, thought, and feelings. It focuses on humans as culture-producing and culture-reproducing creatures. Also known as social or sociocultural anthropology.
Q26: Brian was training to run a marathon.
Q73: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q89: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q180: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q212: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q220: -10 - (-5)<br>A) 15<br>B) -5<br>C) 5<br>D) -15
Q349: June wants to work for <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg"
Q415: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q432: 85 - 13 ·2 + 66 ÷
Q599: -100 - (- 130)<br>A) 30<br>B) -230<br>C) -30<br>D)