Answer:
The answer of first question is (C)3
And second question is (B)0
If the answer helps you PLEASE mark me as brainliest
Step-by-step explanation:








She can make 12 bows because there are 3 feet in one yard so 8*3 is 24. then you divide 24 by 2 and you get 12
(8.4*10^8) + (4.2*10^7)
= 882,000,000
= 8.82*10^8
Hope it helped :)