B in the answer <span>not correctly written in scientific notation</span>
Answer: 
Step-by-step explanation:
Given
Hannah had 30 dollars
Money spent on gift A

money spent on gift B

Money spent on gift C

Answer:
this answer is XZ^787*VYZX^885687
Step-by-step explanation:
its not right but i tried


3 x 7 = 21
10 x 4 = 40
10 x 7 = 70



So, the number that belongs in the green box is 19.