I think the second oneis gas and the third one is liquid
Answer:
2.3
Step-by-step explanation:
move the decimal to the right two times
Initial length = 72 cm
Stretched length = 90 cm
Find the increased in length:
increase = 90 - 72 = 18
Find the percentage increase:
Percentage increase = change/original x 100
Percentage increase = 18/72 x 100 = 25%
Answer: The elastic band's length is increased by 25%
Explanation is in the file
tinyurl.com/wpazsebu