Question2: Find the coefficient of variation for each of the two sets of data, then state which one is more consistent Below are the systolic blood pressures (in mm hg) for a sample of men aged 20-29 and for a sample of men aged 60-69. Men aged 20-29: 117 1222 129 118 131 123 Men aged 60- 69: 130 153 141 125 164 139

Q: Find the values of sec-1 1.5

A: sec-11.5

Q: 22 V2 V3

A:

Q: Simplify. (x+ 9)^2

A: (x+9)^2 means two (x+9) multiplies together.

Q: find the difference quotient  y=x^2+x

A:

Q: s in Excel please

A: State                Smoker                Non-Smoker Total Kentucky            47 176 223…

Q: Integrate x2

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.