8. A builder drills a hole through a cube of concrete, as shown. This cube will be an outlet for a water tap on the side of a house. The radius of the cylinder is 2 inches. Find the volume of the cube after drilling the hole. 2 in 10 in ´10 in 10 in

Q: Find the value of y in simplest radical form. y 9 in 12 in.

A:

Q: Write in simplified radical form. √20m² - m√45

A: f(m)=20m2-m45

Q: Find p. 30⁰ 20 cm 60⁰ Write your answer in simplest radical form.

A:

Power Operation

Power operation is topic of algebra in Math. It is use to represent repeated multiplication. Very big number and very small number can be easily express using power operation. Power operation is useful in many fields. In space engineering, it helps in representing the distance or size of particular heavenly body. In medical field, it is used to represent very small size. In medical field it helps to mention size of bacteria or virus. 

Exponents

The exponent or power or index of a variable/number is the number of times that variable/number is multiplied by itself.