Answer:
The volume is the amount of space an object takes up.
The mass is the measure of how much matter in a object.
The density is the mass <em>divided </em><em>by</em> volume.
Answer:
No. They are not equivalent.
Step-by-step explanation:

=> 
Therefore, 3/5 and 1/2 are not equivalent.
Hoped this helped.
Answer:
Exponential Decay -
A quantity is subject to exponential decay if it decreases at a rate proportional to its current value.
Step-by-step explanation:
Hope this answered your question ^^
Divide the current with the previous
18/15 = 1.2
move the decimal point to the right two places to get the percentage
120% is your answer
hope this helps
Answer:
3
Step-by-step explanation:
Take 2 as a common then divide by 2
6÷2 =3