Answer:
I don't really understand the question but...
2:18
3:27
4:36
5:45
6: 54
7:63
8:72
315
Step-by-step explanation:
If 70 children is 2 parts, one part is 35
35*9 is 315
Answer: %0.00100010001
It’s 10n+12
They put the 2 n’s as an exponent