Answer:
-44
Step-by-step explanation:
To figure this out youll have to multiply 64.80 by 2.5 first then youll get 162 after to figure out the answer you subtract 20 from that amount and get 142
Answer:
The circumference of circle is: 31.714 cm
Step-by-step explanation:
Let C be the circumference of the circle
And A be the area of circle
It is given that:

We have to find the radius first so that it can be used to find the circumference
The area of circle is given by the formula:

Putting the value of area

Taking square root on both sides

Now

Putting the value of radius

Hence,
The circumference of circle is: 31.714 cm
Answer:
Scientific notation is a way of expressing, and handling, a mathematical expression used to represent a decimal number between 1 and 10 (multiplied by ten), so large numbers can be made with using less digits. An example would be writing 4 x 10³ for 4,000.
Step-by-step explanation:
A net tells you how many Faces the solid figure has for example a a dice has 6 faces so it has 6 nets