Answer: 15
Step-by-step explanation: First you start by adding 2+3=5 then you multiply 5 x 3 which equals 15
For this case we have that by definition, the density is given by:

Where:
M: It is the mass of the diamond
V: It is the volume of the diamond
According to the data of the statement we have:

So the volume is:

Thus, the volume of the diamond is approximately 
Answer:

<span>5x-102=13
Add 102 to both sides
5x=115
Divide 5 on both sides
Final Answer: x=23</span>
1 km = 1000m
so 36 km= 36 000 m
ANSW: are equal