Answer:
20 × 10 = 200
Step-by-step explanation:
Multiply 2 × 1 = 2 and then add the two zeros onto the end to get 200.
Answer:
Option b
Step-by-step explanation:
- Calcium has atomic no-20
- Hence it has 20 protons
- Silicon has atomic no 14
- Hence it has 14protons
Total:-

D. 15s +80t less than or equal to 4
hope that this helped you hon :)
The answer is F, because 3+4=7. Athe sides have to equal the biggest number which is 7 Pathagorian therom