Answer:
b. Smartphone
Explanation:
Smartphones are the hybrid versions of mobile phones, having more features that enables it to run different applications and tasks with the aid of applications such as browsers, multimedia, gps etc.
Smartphone devices are able to read informations or data stored on NFC tag.
True Because you just swipe the card and the pay your bills
Answer:
Hope i helped:)
Explanation:
1) All places 0
2)2 of the same numbers canceling each other for example (-400, +400) (except column 2 because it has 7 free boxes witch means 1 of the boxes have to equal to 0)