The rate of change of the temperature of a building is 7° /hr when the temperature is 12°. What is the approximate temperature after 30 minutes?
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.
Approximate temp after 30 mins
The rate of change of temperature per hour = 7o
The rate of change of temperature in 30 min or 1/2 hr will be = 7o/2=3.5o
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