Answer:
7
Step-by-step explanation:
that what i thank it is
The difference between the two mass is 151950g
Data;
- Mass a = 29.48kg
- Mass b = 181,430g
<h3>Difference Between The Mass</h3>
To calculate the difference between the mass, we must do so in the same unit. i.e both mass a and mass b must be in the same unit.
<h3>Conversion of Mass from Kg to g</h3>
Let's convert mass a from kg to g

Using this, we can find how many grammes are in 29.48kg

Now we can find the difference between mass b and mass a

The difference between the two mass is 151950g
Learn more on difference between two numbers here;
brainly.com/question/18591813
The perimeter is the distance around the object so you add 4+10+4+10 to get
28 inches as the perimeter of the rectangle